hikari-desktop/src-tauri/src/commands.rs

use std::path::PathBuf;
use tauri::{AppHandle, Manager, State};
use tauri_plugin_http::reqwest;
use tauri_plugin_store::StoreExt;

use crate::achievements::{get_achievement_info, load_achievements, AchievementUnlockedEvent};
use crate::bridge_manager::SharedBridgeManager;
use crate::config::{ClaudeStartOptions, HikariConfig};
use crate::stats::UsageStats;
use crate::temp_manager::SharedTempFileManager;

const CONFIG_STORE_KEY: &str = "config";

/// Convert a Windows path to a WSL path
/// Example: C:\Users\accou\Documents\item.txt -> /mnt/c/Users/accou/Documents/item.txt
fn windows_path_to_wsl(windows_path: &str) -> Option<String> {
    // Check if it's a Windows path (has drive letter like C:\)
    if windows_path.len() >= 3 && windows_path.chars().nth(1) == Some(':') {
        let drive_letter = windows_path.chars().next()?.to_lowercase().to_string();
        let path_without_drive = &windows_path[2..]; // Remove "C:"

        // Replace backslashes with forward slashes and convert to WSL mount point
        let wsl_path = path_without_drive.replace('\\', "/");
        Some(format!("/mnt/{}{}", drive_letter, wsl_path))
    } else {
        None
    }
}

/// Convert a WSL path to a Windows path
/// Example: /mnt/c/Users/accou/Documents/item.txt -> C:\Users\accou\Documents\item.txt
#[allow(dead_code)]
fn wsl_path_to_windows(wsl_path: &str) -> Option<String> {
    // Check if it's a WSL mount point path
    if wsl_path.starts_with("/mnt/") && wsl_path.len() > 6 {
        let rest = &wsl_path[5..]; // Remove "/mnt/"
        if let Some(drive_letter) = rest.chars().next() {
            let path_after_drive = &rest[1..]; // Remove drive letter

            // Convert to Windows path with backslashes
            let windows_path = path_after_drive.replace('/', "\\");
            Some(format!("{}:{}", drive_letter.to_uppercase(), windows_path))
        } else {
            None
        }
    } else {
        None
    }
}

#[tauri::command]
pub async fn start_claude(
    bridge_manager: State<'_, SharedBridgeManager>,
    conversation_id: String,
    options: ClaudeStartOptions,
) -> Result<(), String> {
    let mut manager = bridge_manager.lock();
    manager.start_claude(&conversation_id, options)
}

#[tauri::command]
pub async fn stop_claude(
    bridge_manager: State<'_, SharedBridgeManager>,
    conversation_id: String,
) -> Result<(), String> {
    let mut manager = bridge_manager.lock();
    manager.stop_claude(&conversation_id)
}

#[tauri::command]
pub async fn interrupt_claude(
    bridge_manager: State<'_, SharedBridgeManager>,
    conversation_id: String,
) -> Result<(), String> {
    let mut manager = bridge_manager.lock();
    manager.interrupt_claude(&conversation_id)
}

#[tauri::command]
pub async fn send_prompt(
    bridge_manager: State<'_, SharedBridgeManager>,
    conversation_id: String,
    message: String,
) -> Result<(), String> {
    let mut manager = bridge_manager.lock();
    manager.send_prompt(&conversation_id, message)
}

#[tauri::command]
pub async fn is_claude_running(
    bridge_manager: State<'_, SharedBridgeManager>,
    conversation_id: String,
) -> Result<bool, String> {
    let manager = bridge_manager.lock();
    Ok(manager.is_claude_running(&conversation_id))
}

#[tauri::command]
pub async fn get_working_directory(
    bridge_manager: State<'_, SharedBridgeManager>,
    conversation_id: String,
) -> Result<String, String> {
    let manager = bridge_manager.lock();
    manager.get_working_directory(&conversation_id)
}

#[tauri::command]
pub async fn select_wsl_directory() -> Result<String, String> {
    // Return the user's home directory cross-platform
    dirs::home_dir()
        .ok_or_else(|| "Could not determine home directory".to_string())
        .map(|p| p.to_string_lossy().to_string())
}

#[tauri::command]
pub async fn get_config(app: AppHandle) -> Result<HikariConfig, String> {
    let store = app.store("hikari-config.json").map_err(|e| e.to_string())?;

    match store.get(CONFIG_STORE_KEY) {
        Some(value) => serde_json::from_value(value.clone()).map_err(|e| e.to_string()),
        None => Ok(HikariConfig::default()),
    }
}

#[tauri::command]
pub async fn save_config(app: AppHandle, config: HikariConfig) -> Result<(), String> {
    let store = app.store("hikari-config.json").map_err(|e| e.to_string())?;

    let value = serde_json::to_value(&config).map_err(|e| e.to_string())?;
    store.set(CONFIG_STORE_KEY, value);
    store.save().map_err(|e| e.to_string())?;

    Ok(())
}

#[tauri::command]
pub async fn get_usage_stats(
    bridge_manager: State<'_, SharedBridgeManager>,
    conversation_id: String,
) -> Result<UsageStats, String> {
    let manager = bridge_manager.lock();
    manager.get_usage_stats(&conversation_id)
}

/// Load persisted lifetime stats from store (no bridge required)
#[tauri::command]
pub async fn get_persisted_stats(app: AppHandle) -> Result<UsageStats, String> {
    let mut stats = UsageStats::new();

    // Load persisted stats if available
    if let Some(persisted) = crate::stats::load_stats(&app).await {
        stats.apply_persisted(persisted);
    }

    Ok(stats)
}

#[tauri::command]
pub async fn validate_directory(
    path: String,
    current_dir: Option<String>,
) -> Result<String, String> {
    use std::path::{Path, PathBuf};

    // Detect if we're dealing with a WSL path (starts with / on Windows, or current_dir is a WSL path)
    let is_wsl_path = cfg!(windows) && (path.starts_with('/') || current_dir.as_ref().is_some_and(|p| p.starts_with('/')));

    if is_wsl_path {
        // WSL path - handle as Unix-style path without filesystem validation
        // since the Windows binary can't validate WSL filesystem paths
        let resolved = if path.starts_with('/') {
            // Absolute WSL path - use as-is
            path
        } else if let Some(ref cwd) = current_dir {
            // Relative path - resolve manually using Unix path logic
            if path == "." {
                cwd.clone()
            } else if path == ".." {
                // Go up one directory
                cwd.rsplit_once('/').map(|x| x.0).unwrap_or("/").to_string()
            } else if path.starts_with("../") {
                // Handle ../ prefix
                let parent = cwd.rsplit_once('/').map(|x| x.0).unwrap_or("/");
                let remainder = path.strip_prefix("../").unwrap();
                if remainder.is_empty() {
                    parent.to_string()
                } else {
                    format!("{}/{}", parent, remainder)
                }
            } else if path.starts_with("./") {
                // Handle ./ prefix
                format!("{}/{}", cwd, path.strip_prefix("./").unwrap())
            } else {
                // Regular relative path
                format!("{}/{}", cwd, path)
            }
        } else {
            return Err("Cannot resolve relative WSL path without current directory".to_string());
        };

        // Normalize the path (remove duplicate slashes, etc.)
        let normalized = resolved.split('/').filter(|s| !s.is_empty()).collect::<Vec<_>>().join("/");
        Ok(if normalized.is_empty() { "/".to_string() } else { format!("/{}", normalized) })
    } else {
        // Native path (Windows on Windows, Unix on Unix) - validate normally
        let path = Path::new(&path);

        let expanded_path = if path.starts_with("~") {
            if let Some(home) = dirs::home_dir() {
                if path == Path::new("~") {
                    home
                } else {
                    home.join(path.strip_prefix("~").unwrap())
                }
            } else {
                return Err("Could not determine home directory".to_string());
            }
        } else if path.is_relative() {
            if let Some(ref cwd) = current_dir {
                let cwd_path = PathBuf::from(cwd);
                cwd_path.join(path)
            } else {
                path.to_path_buf()
            }
        } else {
            path.to_path_buf()
        };

        // Check if the path exists and is a directory
        if !expanded_path.exists() {
            return Err(format!(
                "Directory does not exist: {}",
                expanded_path.display()
            ));
        }

        if !expanded_path.is_dir() {
            return Err(format!(
                "Path is not a directory: {}",
                expanded_path.display()
            ));
        }

        // Return the canonicalized (absolute) path
        expanded_path
            .canonicalize()
            .map(|p| p.to_string_lossy().to_string())
            .map_err(|e| format!("Failed to resolve path: {}", e))
    }
}

#[tauri::command]
pub async fn load_saved_achievements(
    app: AppHandle,
) -> Result<Vec<AchievementUnlockedEvent>, String> {
    use chrono::Utc;

    // Load achievements from persistent store
    let progress = load_achievements(&app).await;

    // Create events for all previously unlocked achievements
    let mut events = Vec::new();
    for achievement_id in &progress.unlocked {
        let mut info = get_achievement_info(achievement_id);
        info.unlocked_at = Some(Utc::now()); // We don't store timestamps, so just use now
        events.push(AchievementUnlockedEvent { achievement: info });
    }

    Ok(events)
}

#[tauri::command]
pub async fn answer_question(
    bridge_manager: State<'_, SharedBridgeManager>,
    conversation_id: String,
    tool_use_id: String,
    answers: serde_json::Value,
) -> Result<(), String> {
    let mut manager = bridge_manager.lock();
    manager.send_tool_result(&conversation_id, &tool_use_id, answers)
}

#[tauri::command]
pub async fn list_skills() -> Result<Vec<String>, String> {
    // On Windows, we need to use WSL to access the skills directory
    // since skills are stored in the WSL home directory
    if cfg!(windows) {
        return list_skills_via_wsl().await;
    }

    // On Unix systems, use the native filesystem
    use std::fs;

    let home = dirs::home_dir().ok_or_else(|| "Could not determine home directory".to_string())?;
    let skills_dir = home.join(".claude").join("skills");

    if !skills_dir.exists() {
        return Ok(Vec::new());
    }

    let mut skills = Vec::new();
    let entries =
        fs::read_dir(&skills_dir).map_err(|e| format!("Failed to read skills directory: {}", e))?;

    for entry in entries {
        let entry = entry.map_err(|e| format!("Failed to read directory entry: {}", e))?;
        let path = entry.path();

        if path.is_dir() {
            let skill_file = path.join("SKILL.md");
            if skill_file.exists() {
                if let Some(name) = path.file_name() {
                    skills.push(name.to_string_lossy().to_string());
                }
            }
        }
    }

    skills.sort();
    Ok(skills)
}

/// List skills by executing commands through WSL (for Windows)
#[allow(dead_code)]
async fn list_skills_via_wsl() -> Result<Vec<String>, String> {
    use std::process::Command;

    // Use WSL to list directories in ~/.claude/skills that contain SKILL.md
    let output = Command::new("wsl")
        .args([
            "-e",
            "sh",
            "-c",
            "if [ -d ~/.claude/skills ]; then for d in ~/.claude/skills/*/; do [ -f \"${d}SKILL.md\" ] && basename \"$d\"; done; fi",
        ])
        .output()
        .map_err(|e| format!("Failed to execute WSL command: {}", e))?;

    if !output.status.success() {
        let stderr = String::from_utf8_lossy(&output.stderr);
        if stderr.contains("not found") || stderr.contains("No such file") {
            return Ok(Vec::new());
        }
        return Err(format!("WSL command failed: {}", stderr));
    }

    let stdout = String::from_utf8_lossy(&output.stdout);
    let mut skills: Vec<String> = stdout
        .lines()
        .filter(|line| !line.is_empty())
        .map(|line| line.to_string())
        .collect();

    skills.sort();
    Ok(skills)
}

#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
pub struct UpdateInfo {
    pub current_version: String,
    pub latest_version: String,
    pub has_update: bool,
    pub release_url: String,
    pub release_notes: Option<String>,
}

#[derive(Debug, serde::Deserialize)]
struct GiteaRelease {
    tag_name: String,
    html_url: String,
    body: Option<String>,
    prerelease: bool,
}

#[tauri::command]
pub async fn check_for_updates() -> Result<UpdateInfo, String> {
    const CURRENT_VERSION: &str = env!("CARGO_PKG_VERSION");
    const RELEASES_API: &str =
        "https://git.nhcarrigan.com/api/v1/repos/nhcarrigan/hikari-desktop/releases";

    // Fetch releases from Gitea API
    let client = reqwest::Client::new();
    let response = client
        .get(RELEASES_API)
        .header("Accept", "application/json")
        .send()
        .await
        .map_err(|e| format!("Failed to fetch releases: {}", e))?;

    if !response.status().is_success() {
        return Err(format!("API returned status: {}", response.status()));
    }

    let text = response
        .text()
        .await
        .map_err(|e| format!("Failed to read response: {}", e))?;

    let releases: Vec<GiteaRelease> =
        serde_json::from_str(&text).map_err(|e| format!("Failed to parse releases: {}", e))?;

    // Find the latest non-prerelease, or fall back to latest prerelease
    let latest = releases
        .iter()
        .find(|r| !r.prerelease)
        .or_else(|| releases.first());

    let latest = match latest {
        Some(r) => r,
        None => return Err("No releases found".to_string()),
    };

    // Parse version strings (remove 'v' prefix if present)
    let current = semver::Version::parse(CURRENT_VERSION)
        .map_err(|e| format!("Failed to parse current version: {}", e))?;

    let latest_tag = latest.tag_name.trim_start_matches('v');
    let latest_ver = semver::Version::parse(latest_tag)
        .map_err(|e| format!("Failed to parse latest version: {}", e))?;

    Ok(UpdateInfo {
        current_version: CURRENT_VERSION.to_string(),
        latest_version: latest.tag_name.clone(),
        has_update: latest_ver > current,
        release_url: latest.html_url.clone(),
        release_notes: latest.body.clone(),
    })
}

#[derive(Debug, Clone, serde::Serialize)]
pub struct SavedFileInfo {
    pub path: String,
    pub filename: String,
}

#[tauri::command]
pub async fn save_temp_file(
    temp_manager: State<'_, SharedTempFileManager>,
    conversation_id: String,
    data: Vec<u8>,
    filename: Option<String>,
) -> Result<SavedFileInfo, String> {
    let mut manager = temp_manager.lock();
    let path = manager.save_file(&conversation_id, &data, filename.as_deref())?;

    let filename = path
        .file_name()
        .map(|n| n.to_string_lossy().to_string())
        .unwrap_or_else(|| "unknown".to_string());

    let path_string = path.to_string_lossy().to_string();

    // On Windows, convert the path to WSL format if needed
    // so Claude Code (running in WSL) can access it via /mnt/c/...
    let final_path = if cfg!(windows) {
        windows_path_to_wsl(&path_string).unwrap_or(path_string)
    } else {
        path_string
    };

    Ok(SavedFileInfo {
        path: final_path,
        filename,
    })
}

#[tauri::command]
pub async fn register_temp_file(
    temp_manager: State<'_, SharedTempFileManager>,
    conversation_id: String,
    file_path: String,
) -> Result<(), String> {
    let mut manager = temp_manager.lock();
    manager.register_file(&conversation_id, PathBuf::from(file_path));
    Ok(())
}

#[tauri::command]
pub async fn get_temp_files(
    temp_manager: State<'_, SharedTempFileManager>,
    conversation_id: String,
) -> Result<Vec<String>, String> {
    let manager = temp_manager.lock();
    let files = manager.get_files_for_conversation(&conversation_id);
    Ok(files.iter().map(|p| p.to_string_lossy().to_string()).collect())
}

#[tauri::command]
pub async fn cleanup_temp_files(
    temp_manager: State<'_, SharedTempFileManager>,
    conversation_id: String,
) -> Result<(), String> {
    let mut manager = temp_manager.lock();
    manager.cleanup_conversation(&conversation_id)
}

#[tauri::command]
pub async fn cleanup_all_temp_files(
    temp_manager: State<'_, SharedTempFileManager>,
) -> Result<(), String> {
    let mut manager = temp_manager.lock();
    manager.cleanup_all()
}

#[tauri::command]
pub async fn cleanup_orphaned_temp_files(
    temp_manager: State<'_, SharedTempFileManager>,
) -> Result<usize, String> {
    let mut manager = temp_manager.lock();
    manager.cleanup_orphaned_files()
}

#[tauri::command]
pub async fn get_file_size(file_path: String) -> Result<u64, String> {
    let metadata = std::fs::metadata(&file_path)
        .map_err(|e| format!("Failed to get file metadata: {}", e))?;
    Ok(metadata.len())
}

// ==================== Editor File Operations ====================

#[derive(Debug, Clone, serde::Serialize)]
pub struct FileEntry {
    pub name: String,
    pub path: String,
    #[serde(rename = "isDirectory")]
    pub is_directory: bool,
}

#[tauri::command]
pub async fn list_directory(app: AppHandle, path: String) -> Result<Vec<FileEntry>, String> {
    // Set up logging
    let log_path = if let Ok(app_data_dir) = app.path().app_data_dir() {
        let _ = std::fs::create_dir_all(&app_data_dir);
        app_data_dir.join("hikari_editor_debug.log")
    } else {
        PathBuf::from("hikari_editor_debug.log")
    };

    let mut log_file = std::fs::OpenOptions::new()
        .create(true)
        .append(true)
        .open(&log_path)
        .ok();

    let mut log = |msg: String| {
        if let Some(ref mut file) = log_file {
            use std::io::Write;
            let timestamp = chrono::Local::now().format("%Y-%m-%d %H:%M:%S");
            let _ = writeln!(file, "[{}] {}", timestamp, msg);
        }
    };

    log(format!("list_directory called with path: {}", path));
    log(format!("cfg!(windows) = {}", cfg!(windows)));
    log(format!("path.starts_with('/') = {}", path.starts_with('/')));

    // On Windows with a WSL path (starts with /), use WSL to list the directory
    if cfg!(windows) && path.starts_with('/') {
        log("Using WSL path".to_string());
        return list_directory_via_wsl(&path).await;
    }

    log("Using native filesystem access".to_string());

    // Native filesystem access
    use std::fs;
    use std::path::Path;

    let dir_path = Path::new(&path);

    if !dir_path.exists() {
        let err = format!("Directory does not exist: {}", path);
        log(format!("ERROR: {}", err));
        return Err(err);
    }

    if !dir_path.is_dir() {
        let err = format!("Path is not a directory: {}", path);
        log(format!("ERROR: {}", err));
        return Err(err);
    }

    let entries = fs::read_dir(dir_path)
        .map_err(|e| {
            let err = format!("Failed to read directory: {}", e);
            log(format!("ERROR: {}", err));
            err
        })?;

    let mut file_entries = Vec::new();

    for entry in entries {
        let entry = entry.map_err(|e| {
            let err = format!("Failed to read entry: {}", e);
            log(format!("ERROR: {}", err));
            err
        })?;
        let path = entry.path();
        let name = entry
            .file_name()
            .to_string_lossy()
            .to_string();

        file_entries.push(FileEntry {
            name: name.clone(),
            path: path.to_string_lossy().to_string(),
            is_directory: path.is_dir(),
        });
    }

    log(format!("Successfully listed {} entries", file_entries.len()));
    Ok(file_entries)
}

/// List directory contents via WSL (for Windows with WSL paths)
#[allow(dead_code)]
async fn list_directory_via_wsl(path: &str) -> Result<Vec<FileEntry>, String> {
    use std::process::Command;

    // Use WSL to list directory contents
    // Output format: type<tab>name (d for directory, f for file)
    let script = format!(
        r#"if [ -d '{}' ]; then for f in '{}'/* '{}'/.* ; do [ -e "$f" ] || continue; name=$(basename "$f"); if [ "$name" = "." ] || [ "$name" = ".." ]; then continue; fi; if [ -d "$f" ]; then echo "d	$name"; else echo "f	$name"; fi; done; else echo "ERROR: Directory does not exist"; exit 1; fi"#,
        path, path, path
    );

    let output = Command::new("wsl")
        .args(["-e", "sh", "-c", &script])
        .output()
        .map_err(|e| format!("Failed to execute WSL command: {}", e))?;

    let stdout = String::from_utf8_lossy(&output.stdout);

    if !output.status.success() || stdout.starts_with("ERROR:") {
        let stderr = String::from_utf8_lossy(&output.stderr);
        if stdout.starts_with("ERROR:") {
            return Err(stdout.trim().to_string());
        }
        return Err(format!("WSL command failed: {}", stderr));
    }

    let mut file_entries = Vec::new();

    for line in stdout.lines() {
        if line.is_empty() {
            continue;
        }

        let parts: Vec<&str> = line.splitn(2, '\t').collect();
        if parts.len() != 2 {
            continue;
        }

        let is_directory = parts[0] == "d";
        let name = parts[1].to_string();
        let entry_path = if path == "/" {
            format!("/{}", name)
        } else {
            format!("{}/{}", path, name)
        };

        file_entries.push(FileEntry {
            name,
            path: entry_path,
            is_directory,
        });
    }

    Ok(file_entries)
}

#[tauri::command]
pub async fn read_file_content(path: String) -> Result<String, String> {
    // On Windows with a WSL path, use WSL to read the file
    if cfg!(windows) && path.starts_with('/') {
        return read_file_via_wsl(&path).await;
    }

    use std::fs;
    fs::read_to_string(&path)
        .map_err(|e| format!("Failed to read file: {}", e))
}

/// Read file content via WSL (for Windows with WSL paths)
#[allow(dead_code)]
async fn read_file_via_wsl(path: &str) -> Result<String, String> {
    use std::process::Command;

    let output = Command::new("wsl")
        .args(["-e", "cat", path])
        .output()
        .map_err(|e| format!("Failed to execute WSL command: {}", e))?;

    if !output.status.success() {
        let stderr = String::from_utf8_lossy(&output.stderr);
        return Err(format!("Failed to read file: {}", stderr));
    }

    Ok(String::from_utf8_lossy(&output.stdout).to_string())
}

#[tauri::command]
pub async fn write_file_content(path: String, content: String) -> Result<(), String> {
    // On Windows with a WSL path, use WSL to write the file
    if cfg!(windows) && path.starts_with('/') {
        return write_file_via_wsl(&path, &content).await;
    }

    use std::fs;
    fs::write(&path, content)
        .map_err(|e| format!("Failed to write file: {}", e))
}

/// Write file content via WSL (for Windows with WSL paths)
#[allow(dead_code)]
async fn write_file_via_wsl(path: &str, content: &str) -> Result<(), String> {
    use std::io::Write;
    use std::process::{Command, Stdio};

    let mut child = Command::new("wsl")
        .args(["-e", "sh", "-c", &format!("cat > '{}'", path)])
        .stdin(Stdio::piped())
        .spawn()
        .map_err(|e| format!("Failed to execute WSL command: {}", e))?;

    if let Some(mut stdin) = child.stdin.take() {
        stdin.write_all(content.as_bytes())
            .map_err(|e| format!("Failed to write to stdin: {}", e))?;
    }

    let status = child.wait()
        .map_err(|e| format!("Failed to wait for WSL command: {}", e))?;

    if !status.success() {
        return Err("Failed to write file via WSL".to_string());
    }

    Ok(())
}

#[tauri::command]
pub async fn create_file(path: String) -> Result<(), String> {
    // On Windows with a WSL path, use WSL to create the file
    if cfg!(windows) && path.starts_with('/') {
        return create_file_via_wsl(&path).await;
    }

    use std::fs::File;
    use std::path::Path;

    let file_path = Path::new(&path);

    if file_path.exists() {
        return Err("File already exists".to_string());
    }

    File::create(file_path).map_err(|e| format!("Failed to create file: {}", e))?;

    Ok(())
}

/// Create file via WSL (for Windows with WSL paths)
#[allow(dead_code)]
async fn create_file_via_wsl(path: &str) -> Result<(), String> {
    use std::process::Command;

    // Check if file exists first
    let check = Command::new("wsl")
        .args(["-e", "test", "-e", path])
        .status()
        .map_err(|e| format!("Failed to execute WSL command: {}", e))?;

    if check.success() {
        return Err("File already exists".to_string());
    }

    let output = Command::new("wsl")
        .args(["-e", "touch", path])
        .output()
        .map_err(|e| format!("Failed to execute WSL command: {}", e))?;

    if !output.status.success() {
        let stderr = String::from_utf8_lossy(&output.stderr);
        return Err(format!("Failed to create file: {}", stderr));
    }

    Ok(())
}

#[tauri::command]
pub async fn create_directory(path: String) -> Result<(), String> {
    // On Windows with a WSL path, use WSL to create the directory
    if cfg!(windows) && path.starts_with('/') {
        return create_directory_via_wsl(&path).await;
    }

    use std::fs;
    use std::path::Path;

    let dir_path = Path::new(&path);

    if dir_path.exists() {
        return Err("Directory already exists".to_string());
    }

    fs::create_dir_all(dir_path).map_err(|e| format!("Failed to create directory: {}", e))?;

    Ok(())
}

/// Create directory via WSL (for Windows with WSL paths)
#[allow(dead_code)]
async fn create_directory_via_wsl(path: &str) -> Result<(), String> {
    use std::process::Command;

    // Check if directory exists first
    let check = Command::new("wsl")
        .args(["-e", "test", "-e", path])
        .status()
        .map_err(|e| format!("Failed to execute WSL command: {}", e))?;

    if check.success() {
        return Err("Directory already exists".to_string());
    }

    let output = Command::new("wsl")
        .args(["-e", "mkdir", "-p", path])
        .output()
        .map_err(|e| format!("Failed to execute WSL command: {}", e))?;

    if !output.status.success() {
        let stderr = String::from_utf8_lossy(&output.stderr);
        return Err(format!("Failed to create directory: {}", stderr));
    }

    Ok(())
}

#[tauri::command]
pub async fn delete_file(path: String) -> Result<(), String> {
    // On Windows with a WSL path, use WSL to delete the file
    if cfg!(windows) && path.starts_with('/') {
        return delete_file_via_wsl(&path).await;
    }

    use std::fs;
    use std::path::Path;

    let file_path = Path::new(&path);

    if !file_path.exists() {
        return Err("File does not exist".to_string());
    }

    if file_path.is_dir() {
        return Err("Path is a directory, use delete_directory instead".to_string());
    }

    fs::remove_file(file_path).map_err(|e| format!("Failed to delete file: {}", e))?;

    Ok(())
}

/// Delete file via WSL (for Windows with WSL paths)
#[allow(dead_code)]
async fn delete_file_via_wsl(path: &str) -> Result<(), String> {
    use std::process::Command;

    // Check if path exists
    let check_exists = Command::new("wsl")
        .args(["-e", "test", "-e", path])
        .status()
        .map_err(|e| format!("Failed to execute WSL command: {}", e))?;

    if !check_exists.success() {
        return Err("File does not exist".to_string());
    }

    // Check if path is a directory
    let check_dir = Command::new("wsl")
        .args(["-e", "test", "-d", path])
        .status()
        .map_err(|e| format!("Failed to execute WSL command: {}", e))?;

    if check_dir.success() {
        return Err("Path is a directory, use delete_directory instead".to_string());
    }

    let output = Command::new("wsl")
        .args(["-e", "rm", path])
        .output()
        .map_err(|e| format!("Failed to execute WSL command: {}", e))?;

    if !output.status.success() {
        let stderr = String::from_utf8_lossy(&output.stderr);
        return Err(format!("Failed to delete file: {}", stderr));
    }

    Ok(())
}

#[tauri::command]
pub async fn delete_directory(path: String) -> Result<(), String> {
    // On Windows with a WSL path, use WSL to delete the directory
    if cfg!(windows) && path.starts_with('/') {
        return delete_directory_via_wsl(&path).await;
    }

    use std::fs;
    use std::path::Path;

    let dir_path = Path::new(&path);

    if !dir_path.exists() {
        return Err("Directory does not exist".to_string());
    }

    if !dir_path.is_dir() {
        return Err("Path is not a directory".to_string());
    }

    fs::remove_dir_all(dir_path).map_err(|e| format!("Failed to delete directory: {}", e))?;

    Ok(())
}

/// Delete directory via WSL (for Windows with WSL paths)
#[allow(dead_code)]
async fn delete_directory_via_wsl(path: &str) -> Result<(), String> {
    use std::process::Command;

    // Check if path exists
    let check_exists = Command::new("wsl")
        .args(["-e", "test", "-e", path])
        .status()
        .map_err(|e| format!("Failed to execute WSL command: {}", e))?;

    if !check_exists.success() {
        return Err("Directory does not exist".to_string());
    }

    // Check if path is a directory
    let check_dir = Command::new("wsl")
        .args(["-e", "test", "-d", path])
        .status()
        .map_err(|e| format!("Failed to execute WSL command: {}", e))?;

    if !check_dir.success() {
        return Err("Path is not a directory".to_string());
    }

    let output = Command::new("wsl")
        .args(["-e", "rm", "-rf", path])
        .output()
        .map_err(|e| format!("Failed to execute WSL command: {}", e))?;

    if !output.status.success() {
        let stderr = String::from_utf8_lossy(&output.stderr);
        return Err(format!("Failed to delete directory: {}", stderr));
    }

    Ok(())
}

#[tauri::command]
pub async fn rename_path(old_path: String, new_path: String) -> Result<(), String> {
    // On Windows with WSL paths, use WSL to rename
    if cfg!(windows) && old_path.starts_with('/') {
        return rename_path_via_wsl(&old_path, &new_path).await;
    }

    use std::fs;
    use std::path::Path;

    let old = Path::new(&old_path);
    let new = Path::new(&new_path);

    if !old.exists() {
        return Err("Path does not exist".to_string());
    }

    if new.exists() {
        return Err("Destination already exists".to_string());
    }

    fs::rename(old, new).map_err(|e| format!("Failed to rename: {}", e))?;

    Ok(())
}

/// Rename path via WSL (for Windows with WSL paths)
#[allow(dead_code)]
async fn rename_path_via_wsl(old_path: &str, new_path: &str) -> Result<(), String> {
    use std::process::Command;

    // Check if old path exists
    let check_old = Command::new("wsl")
        .args(["-e", "test", "-e", old_path])
        .status()
        .map_err(|e| format!("Failed to execute WSL command: {}", e))?;

    if !check_old.success() {
        return Err("Path does not exist".to_string());
    }

    // Check if new path already exists
    let check_new = Command::new("wsl")
        .args(["-e", "test", "-e", new_path])
        .status()
        .map_err(|e| format!("Failed to execute WSL command: {}", e))?;

    if check_new.success() {
        return Err("Destination already exists".to_string());
    }

    let output = Command::new("wsl")
        .args(["-e", "mv", old_path, new_path])
        .output()
        .map_err(|e| format!("Failed to execute WSL command: {}", e))?;

    if !output.status.success() {
        let stderr = String::from_utf8_lossy(&output.stderr);
        return Err(format!("Failed to rename: {}", stderr));
    }

    Ok(())
}

// ==================== Cost Tracking Commands ====================

const COST_HISTORY_STORE_KEY: &str = "cost_history";

#[tauri::command]
pub async fn get_cost_summary(app: AppHandle, days: u32) -> Result<crate::cost_tracking::CostSummary, String> {
    let history = load_cost_history(&app).await;
    Ok(history.get_summary(days))
}

#[tauri::command]
pub async fn get_cost_alerts(app: AppHandle) -> Result<Vec<crate::cost_tracking::CostAlert>, String> {
    let mut history = load_cost_history(&app).await;
    let alerts = history.check_alerts();

    // Save updated alert state
    save_cost_history(&app, &history).await?;

    Ok(alerts)
}

#[tauri::command]
pub async fn set_cost_alert_thresholds(
    app: AppHandle,
    daily: Option<f64>,
    weekly: Option<f64>,
    monthly: Option<f64>,
) -> Result<(), String> {
    let mut history = load_cost_history(&app).await;
    history.set_alert_thresholds(daily, weekly, monthly);
    save_cost_history(&app, &history).await
}

#[tauri::command]
pub async fn export_cost_csv(app: AppHandle, days: u32) -> Result<String, String> {
    let history = load_cost_history(&app).await;
    Ok(history.export_csv(days))
}

#[tauri::command]
pub async fn get_today_cost(app: AppHandle) -> Result<f64, String> {
    let history = load_cost_history(&app).await;
    Ok(history.get_today_cost())
}

#[tauri::command]
pub async fn get_week_cost(app: AppHandle) -> Result<f64, String> {
    let history = load_cost_history(&app).await;
    Ok(history.get_week_cost())
}

#[tauri::command]
pub async fn get_month_cost(app: AppHandle) -> Result<f64, String> {
    let history = load_cost_history(&app).await;
    Ok(history.get_month_cost())
}

/// Add cost to history (called internally when stats are updated)
pub async fn record_cost(app: &AppHandle, input_tokens: u64, output_tokens: u64, cost_usd: f64) {
    let mut history = load_cost_history(app).await;
    history.add_cost(input_tokens, output_tokens, cost_usd);
    let _ = save_cost_history(app, &history).await;
}

/// Record a new session
pub async fn record_session(app: &AppHandle) {
    let mut history = load_cost_history(app).await;
    history.increment_sessions();
    let _ = save_cost_history(app, &history).await;
}

async fn load_cost_history(app: &AppHandle) -> crate::cost_tracking::CostHistory {
    let store = match app.store("hikari-cost-history.json") {
        Ok(s) => s,
        Err(_) => return crate::cost_tracking::CostHistory::new(),
    };

    match store.get(COST_HISTORY_STORE_KEY) {
        Some(value) => serde_json::from_value(value.clone()).unwrap_or_default(),
        None => crate::cost_tracking::CostHistory::new(),
    }
}

async fn save_cost_history(app: &AppHandle, history: &crate::cost_tracking::CostHistory) -> Result<(), String> {
    let store = app.store("hikari-cost-history.json").map_err(|e| e.to_string())?;
    let value = serde_json::to_value(history).map_err(|e| e.to_string())?;
    store.set(COST_HISTORY_STORE_KEY, value);
    store.save().map_err(|e| e.to_string())?;
    Ok(())
}

#[tauri::command]
pub async fn init_discord_rpc(
    discord_rpc: State<'_, std::sync::Arc<crate::discord_rpc::DiscordRpcManager>>,
    session_name: String,
    model: String,
    started_at: i64,
) -> Result<(), String> {
    discord_rpc.init(session_name, model, started_at)
}

#[tauri::command]
pub async fn update_discord_rpc(
    discord_rpc: State<'_, std::sync::Arc<crate::discord_rpc::DiscordRpcManager>>,
    session_name: String,
    model: String,
    started_at: i64,
) -> Result<(), String> {
    discord_rpc.update(session_name, model, started_at)
}

#[tauri::command]
pub async fn stop_discord_rpc(
    discord_rpc: State<'_, std::sync::Arc<crate::discord_rpc::DiscordRpcManager>>,
) -> Result<(), String> {
    discord_rpc.stop()
}

#[tauri::command]
pub async fn log_discord_rpc(
    discord_rpc: State<'_, std::sync::Arc<crate::discord_rpc::DiscordRpcManager>>,
    message: String,
) -> Result<(), String> {
    discord_rpc.log(&message);
    Ok(())
}

#[tauri::command]
pub async fn close_application(app_handle: AppHandle) -> Result<(), String> {
    // Get the main window
    if let Some(window) = app_handle.get_webview_window("main") {
        // Hide the window first for a smoother close
        let _ = window.hide();
    }

    // Exit the application
    app_handle.exit(0);
    Ok(())
}

#[cfg(test)]
mod tests {
    use super::*;
    use std::fs::{self, File};
    use std::io::Write;
    use tempfile::TempDir;

    // Helper to run async tests
    fn run_async<F: std::future::Future>(f: F) -> F::Output {
        tokio::runtime::Runtime::new().unwrap().block_on(f)
    }

    // ==================== validate_directory tests ====================

    #[test]
    fn test_validate_directory_absolute_path_exists() {
        let temp_dir = TempDir::new().unwrap();
        let path = temp_dir.path().to_string_lossy().to_string();

        let result = run_async(validate_directory(path.clone(), None));
        assert!(result.is_ok());
        // Canonicalized path should be returned
        assert!(result.unwrap().contains(&temp_dir.path().file_name().unwrap().to_string_lossy().to_string()));
    }

    #[test]
    fn test_validate_directory_path_not_exists() {
        let result = run_async(validate_directory(
            "/nonexistent/path/that/does/not/exist".to_string(),
            None,
        ));
        assert!(result.is_err());
        assert!(result.unwrap_err().contains("does not exist"));
    }

    #[test]
    fn test_validate_directory_path_is_file() {
        let temp_dir = TempDir::new().unwrap();
        let file_path = temp_dir.path().join("test_file.txt");
        File::create(&file_path).unwrap();

        let result = run_async(validate_directory(
            file_path.to_string_lossy().to_string(),
            None,
        ));
        assert!(result.is_err());
        assert!(result.unwrap_err().contains("not a directory"));
    }

    #[test]
    fn test_validate_directory_home_expansion() {
        // This test assumes HOME is set (which it should be on most systems)
        if std::env::var_os("HOME").is_some() {
            let result = run_async(validate_directory("~".to_string(), None));
            assert!(result.is_ok());
            // Should not contain ~ after expansion
            assert!(!result.unwrap().contains("~"));
        }
    }

    #[test]
    fn test_validate_directory_home_subpath_expansion() {
        // This test assumes HOME is set and has some subdirectory
        if let Some(home) = std::env::var_os("HOME") {
            let home_path = std::path::Path::new(&home);
            // Find any subdirectory in home
            if let Ok(entries) = fs::read_dir(home_path) {
                for entry in entries.flatten() {
                    if entry.path().is_dir() {
                        let subdir_name = entry.file_name().to_string_lossy().to_string();
                        let tilde_path = format!("~/{}", subdir_name);
                        let result = run_async(validate_directory(tilde_path, None));
                        assert!(result.is_ok());
                        assert!(!result.unwrap().contains("~"));
                        break;
                    }
                }
            }
        }
    }

    #[test]
    fn test_validate_directory_relative_path_with_current_dir() {
        let temp_dir = TempDir::new().unwrap();
        let subdir = temp_dir.path().join("subdir");
        fs::create_dir(&subdir).unwrap();

        let result = run_async(validate_directory(
            "subdir".to_string(),
            Some(temp_dir.path().to_string_lossy().to_string()),
        ));
        assert!(result.is_ok());
        assert!(result.unwrap().contains("subdir"));
    }

    #[test]
    fn test_validate_directory_dot_path() {
        let temp_dir = TempDir::new().unwrap();

        let result = run_async(validate_directory(
            ".".to_string(),
            Some(temp_dir.path().to_string_lossy().to_string()),
        ));
        assert!(result.is_ok());
    }

    #[test]
    fn test_validate_directory_dotdot_path() {
        let temp_dir = TempDir::new().unwrap();
        let subdir = temp_dir.path().join("subdir");
        fs::create_dir(&subdir).unwrap();

        let result = run_async(validate_directory(
            "..".to_string(),
            Some(subdir.to_string_lossy().to_string()),
        ));
        assert!(result.is_ok());
        // Should resolve to parent
        let resolved = result.unwrap();
        assert!(resolved.contains(&temp_dir.path().file_name().unwrap().to_string_lossy().to_string()));
    }

    #[test]
    fn test_validate_directory_relative_without_current_dir() {
        // Relative path without current_dir - should fail since relative path likely won't exist
        let result = run_async(validate_directory(
            "some_random_nonexistent_relative_path".to_string(),
            None,
        ));
        assert!(result.is_err());
    }

    // ==================== get_file_size tests ====================

    #[test]
    fn test_get_file_size_empty_file() {
        let temp_dir = TempDir::new().unwrap();
        let file_path = temp_dir.path().join("empty.txt");
        File::create(&file_path).unwrap();

        let result = run_async(get_file_size(file_path.to_string_lossy().to_string()));
        assert!(result.is_ok());
        assert_eq!(result.unwrap(), 0);
    }

    #[test]
    fn test_get_file_size_with_content() {
        let temp_dir = TempDir::new().unwrap();
        let file_path = temp_dir.path().join("content.txt");
        let mut file = File::create(&file_path).unwrap();
        file.write_all(b"Hello, Hikari!").unwrap();

        let result = run_async(get_file_size(file_path.to_string_lossy().to_string()));
        assert!(result.is_ok());
        assert_eq!(result.unwrap(), 14); // "Hello, Hikari!" is 14 bytes
    }

    #[test]
    fn test_get_file_size_larger_file() {
        let temp_dir = TempDir::new().unwrap();
        let file_path = temp_dir.path().join("large.txt");
        let mut file = File::create(&file_path).unwrap();
        // Write 1000 bytes
        let data = vec![b'x'; 1000];
        file.write_all(&data).unwrap();

        let result = run_async(get_file_size(file_path.to_string_lossy().to_string()));
        assert!(result.is_ok());
        assert_eq!(result.unwrap(), 1000);
    }

    #[test]
    fn test_get_file_size_nonexistent_file() {
        let result = run_async(get_file_size(
            "/nonexistent/path/file.txt".to_string(),
        ));
        assert!(result.is_err());
        assert!(result.unwrap_err().contains("Failed to get file metadata"));
    }

    #[test]
    fn test_get_file_size_directory() {
        let temp_dir = TempDir::new().unwrap();

        // Getting "size" of a directory should work but return directory metadata
        // This is actually valid - directories have metadata too
        let result = run_async(get_file_size(temp_dir.path().to_string_lossy().to_string()));
        assert!(result.is_ok());
        // Directory size is platform-dependent, just check it returns something
    }

    // ==================== list_skills tests ====================

    #[test]
    fn test_list_skills_no_skills_dir() {
        // This test is tricky because it depends on HOME being set
        // and potentially affecting real user data, so we'll just
        // verify the function doesn't panic
        let result = run_async(list_skills());
        // Should either return Ok with a list or Ok with empty vec
        assert!(result.is_ok());
    }

    // ==================== select_wsl_directory tests ====================

    #[test]
    fn test_select_wsl_directory_returns_home() {
        let result = run_async(select_wsl_directory());
        assert!(result.is_ok());

        // Should return the user's home directory
        let home_dir = result.unwrap();
        assert!(home_dir.starts_with("/home/") || home_dir == "/root");
    }

    // ==================== UpdateInfo struct tests ====================

    #[test]
    fn test_update_info_serialization() {
        let info = UpdateInfo {
            current_version: "1.0.0".to_string(),
            latest_version: "0.4.0".to_string(),
            has_update: true,
            release_url: "https://example.com/release".to_string(),
            release_notes: Some("New features!".to_string()),
        };

        let json = serde_json::to_string(&info).unwrap();
        assert!(json.contains("1.0.0"));
        assert!(json.contains("0.4.0"));
        assert!(json.contains("true"));
        assert!(json.contains("New features!"));
    }

    #[test]
    fn test_update_info_without_notes() {
        let info = UpdateInfo {
            current_version: "1.0.0".to_string(),
            latest_version: "1.0.0".to_string(),
            has_update: false,
            release_url: "https://example.com/release".to_string(),
            release_notes: None,
        };

        let json = serde_json::to_string(&info).unwrap();
        assert!(json.contains("null") || json.contains("release_notes"));
    }

    // ==================== SavedFileInfo struct tests ====================

    #[test]
    fn test_saved_file_info_serialization() {
        let info = SavedFileInfo {
            path: "/tmp/test.txt".to_string(),
            filename: "test.txt".to_string(),
        };

        let json = serde_json::to_string(&info).unwrap();
        assert!(json.contains("/tmp/test.txt"));
        assert!(json.contains("test.txt"));
    }
}