"""Update team roster messages in Discord from team_assignments.json."""

import asyncio
import json
import os

import aiohttp

DISCORD_BOT_TOKEN = os.environ["DISCORD_BOT_TOKEN"]
GUILD_ID = "692816967895220344"

API_BASE = "https://discord.com/api/v10"


async def edit_message(
    session: aiohttp.ClientSession,
    channel_id: str,
    message_id: str,
    content: str,
) -> bool:
    """Edit a Discord message."""
    url = f"{API_BASE}/channels/{channel_id}/messages/{message_id}"
    headers = {
        "Authorization": f"Bot {DISCORD_BOT_TOKEN}",
        "Content-Type": "application/json",
    }
    payload = {"content": content}

    async with session.patch(url, headers=headers, json=payload) as resp:
        if resp.status == 200:
            return True
        text = await resp.text()
        print(f"    ❌ Failed to edit message: {resp.status} - {text}")
        return False


def generate_roster(team: dict, discord_to_github: dict) -> str:
    """Generate roster message for a team."""
    team_name = team["name"]

    leader_lines = [
        f"- <@{discord_id}> ({discord_to_github.get(discord_id, 'Unknown')})"
        for discord_id in team["leaders"]
    ]

    participant_lines = [
        f"- <@{discord_id}> ({discord_to_github.get(discord_id, 'Unknown')})"
        for discord_id in team["participants"]
    ]

    leaders_text = "\n".join(leader_lines) if leader_lines else "None"
    participants_text = "\n".join(participant_lines) if participant_lines else "None"

    return f"""# Team {team_name}

**Leaders:**
{leaders_text}

**Participants:**
{participants_text}"""


async def main() -> None:
    """Update roster messages for all teams."""
    with open("team_message_ids.json") as f:
        team_data = json.load(f)

    with open("team_assignments.json") as f:
        teams = json.load(f)

    with open("discord_to_github.json") as f:
        discord_to_github = json.load(f)

    async with aiohttp.ClientSession() as session:
        for team in teams:
            team_name = team["name"]
            print(f"Updating roster for {team_name}...")

            if team_name not in team_data:
                print("  ⚠️  Team not found in team_message_ids.json")
                continue

            channel_id = team_data[team_name]["channel_id"]
            message_id = team_data[team_name]["message_id"]

            roster_content = generate_roster(team, discord_to_github)

            success = await edit_message(
                session, channel_id, message_id, roster_content
            )
            if success:
                print(f"  ✅ Updated (Message ID: {message_id})")

            await asyncio.sleep(0.5)

        print("\n✅ All roster messages updated!")


if __name__ == "__main__":
    asyncio.run(main())