/**
 * @file Profile routes handling player profile retrieval and updates.
 * @copyright nhcarrigan
 * @license Naomi's Public License
 * @author Naomi Carrigan
 */
/* eslint-disable max-lines-per-function -- Route handlers require many steps */
/* eslint-disable max-statements -- Route handlers require many steps */
/* eslint-disable complexity -- Route handlers have inherent complexity */
/* eslint-disable stylistic/key-spacing -- ProfileSettings keys exceed max-len when aligned */
/* eslint-disable stylistic/max-len -- ProfileSettings key names exceed line length limit */
/* eslint-disable @typescript-eslint/no-unnecessary-condition -- Defensive checks for runtime nullable fields */
import {
  DEFAULT_PROFILE_SETTINGS,
  type GameState,
  type ProfileSettings,
  type UpdateProfileRequest,
} from "@elysium/types";
import { Hono } from "hono";
import { gameTitles } from "../data/titles.js";
import { prisma } from "../db/client.js";
import { authMiddleware } from "../middleware/auth.js";
import { logger } from "../services/logger.js";
import { parseUnlockedTitles } from "../services/titles.js";
import type { HonoEnvironment } from "../types/hono.js";

const profileRouter = new Hono<HonoEnvironment>();

const validNumberFormats = new Set([ "suffix", "scientific", "engineering" ]);

/**
 * Parses a raw profile settings blob from the database into a typed ProfileSettings object.
 * @param raw - The raw value from the database.
 * @returns A valid ProfileSettings object with defaults for missing fields.
 */
const parseProfileSettings = (raw: unknown): ProfileSettings => {
  if (raw === null || typeof raw !== "object" || Array.isArray(raw)) {
    return { ...DEFAULT_PROFILE_SETTINGS };
  }
  /* eslint-disable-next-line @typescript-eslint/consistent-type-assertions -- Runtime shape check */
  const rawObject = raw as Record<string, unknown>;
  /* eslint-disable-next-line @typescript-eslint/consistent-type-assertions -- Runtime shape check */
  const parsedNumberFormat = rawObject.numberFormat as string;
  const numberFormat = validNumberFormats.has(parsedNumberFormat)
    /* eslint-disable-next-line @typescript-eslint/consistent-type-assertions -- Runtime shape check */
    ? (parsedNumberFormat as ProfileSettings["numberFormat"])
    : "suffix";
  return {
    enableNotifications: rawObject.enableNotifications === true,
    enablePrestigeAnnouncements: rawObject.enablePrestigeAnnouncements !== false,
    enableSounds: rawObject.enableSounds === true,
    numberFormat: numberFormat,
    showAchievementsUnlocked: rawObject.showAchievementsUnlocked !== false,
    showAdventurersRecruited: rawObject.showAdventurersRecruited !== false,
    showApotheosis: rawObject.showApotheosis !== false,
    showBossesDefeated: rawObject.showBossesDefeated !== false,
    showCurrentClicks: rawObject.showCurrentClicks !== false,
    showCurrentGold: rawObject.showCurrentGold !== false,
    showGuildFounded: rawObject.showGuildFounded !== false,
    showLifetimeAchievementsUnlocked: rawObject.showLifetimeAchievementsUnlocked !== false,
    showLifetimeAdventurersRecruited: rawObject.showLifetimeAdventurersRecruited !== false,
    showLifetimeBossesDefeated: rawObject.showLifetimeBossesDefeated !== false,
    showLifetimeQuestsCompleted: rawObject.showLifetimeQuestsCompleted !== false,
    showOnLeaderboards: rawObject.showOnLeaderboards !== false,
    showPrestige: rawObject.showPrestige !== false,
    showQuestsCompleted: rawObject.showQuestsCompleted !== false,
    showTotalClicks: rawObject.showTotalClicks !== false,
    showTotalGold: rawObject.showTotalGold !== false,
    showTranscendence: rawObject.showTranscendence !== false,
  };
};

/**
 * Resolves a title ID to its display name.
 * @param id - The title ID to resolve.
 * @returns An object with id and name fields.
 */
const resolveTitle = (id: string): { id: string; name: string } => {
  const title = gameTitles.find((gameTitle) => {
    return gameTitle.id === id;
  });
  return { id: id, name: title?.name ?? id };
};

profileRouter.get("/:discordId", async(context) => {
  try {
    const { discordId } = context.req.param();

    const [ player, gameStateRecord ] = await Promise.all([
      prisma.player.findUnique({ where: { discordId } }),
      prisma.gameState.findUnique({ where: { discordId } }),
    ]);

    if (!player) {
      return context.json({ error: "Player not found" }, 404);
    }

    /* eslint-disable-next-line @typescript-eslint/consistent-type-assertions -- Prisma returns JsonValue */
    const state = gameStateRecord?.state as unknown as GameState | undefined;
    const prestigeCount = state?.prestige.count ?? 0;
    const transcendenceCount = state?.transcendence?.count ?? 0;
    const apotheosisCount = state?.apotheosis?.count ?? 0;
    const profileSettings = parseProfileSettings(player.profileSettings);

    const bossesDefeated
      = state?.bosses.filter((boss) => {
        return boss.status === "defeated";
      }).length ?? 0;
    const questsCompleted
      = state?.quests.filter((quest) => {
        return quest.status === "completed";
      }).length ?? 0;

    let adventurersRecruited = 0;
    if (state) {
      // eslint-disable-next-line capitalized-comments -- v8 ignore
      /* v8 ignore next 3 -- @preserve */
      for (const adventurer of state.adventurers) {
        adventurersRecruited = adventurersRecruited + adventurer.count;
      }
    }

    // eslint-disable-next-line capitalized-comments -- v8 ignore
    /* v8 ignore next 3 -- @preserve */
    const achievementsUnlocked = (state?.achievements ?? []).filter((achievement) => {
      return achievement.unlockedAt !== null;
    }).length;

    const unlockedTitleIds = parseUnlockedTitles(player.unlockedTitles);
    const unlockedTitles = unlockedTitleIds.map((id) => {
      return resolveTitle(id);
    });

    // eslint-disable-next-line capitalized-comments -- v8 ignore
    /* v8 ignore next 12 -- @preserve */
    const equippedItems = (state?.equipment ?? []).
      filter((item) => {
        return item.owned && item.equipped;
      }).
      map((item) => {
        return {
          bonus:  item.bonus,
          name:   item.name,
          rarity: item.rarity,
          type:   item.type,
        };
      });

    const completedChapters = state?.story?.completedChapters ?? [];

    return context.json({
      achievementsUnlocked: achievementsUnlocked,
      activeTitle: player.activeTitle,
      adventurersRecruited: adventurersRecruited,
      apotheosisCount: apotheosisCount,
      avatar: player.avatar,
      bio: player.bio ?? "",
      bossesDefeated: bossesDefeated,
      characterClass: player.characterClass,
      characterName: player.characterName,
      characterRace: player.characterRace ?? "",
      completedChapters: completedChapters,
      createdAt: player.createdAt,
      currentRunClicks: state?.player.totalClicks ?? 0,
      currentRunGold: state?.player.totalGoldEarned ?? 0,
      equippedItems: equippedItems,
      guildDescription: player.guildDescription,
      guildName: player.guildName,
      lifetimeAchievementsUnlocked: player.lifetimeAchievementsUnlocked,
      lifetimeAdventurersRecruited: player.lifetimeAdventurersRecruited,
      lifetimeBossesDefeated: player.lifetimeBossesDefeated,
      lifetimeQuestsCompleted: player.lifetimeQuestsCompleted,
      prestigeCount: prestigeCount,
      profileSettings: profileSettings,
      pronouns: player.pronouns ?? "",
      questsCompleted: questsCompleted,
      totalClicks: player.lifetimeClicks,
      totalGoldEarned: player.lifetimeGoldEarned,
      transcendenceCount: transcendenceCount,
      unlockedTitles: unlockedTitles,
      username: player.username,
    });
  } catch (error) {
    void logger.error(
      "profile_get",
      error instanceof Error
        ? error
        : new Error(String(error)),
    );
    return context.json({ error: "Internal server error" }, 500);
  }
});

profileRouter.put("/", authMiddleware, async(context) => {
  try {
    const discordId = context.get("discordId");
    const body = await context.req.json<UpdateProfileRequest>();

    // eslint-disable-next-line @typescript-eslint/strict-boolean-expressions -- Runtime body validation
    if (!body.characterName) {
      return context.json({ error: "Character name cannot be empty" }, 400);
    }

    const characterName = body.characterName.trim().slice(0, 32);

    if (characterName === "") {
      return context.json({ error: "Character name cannot be empty" }, 400);
    }

    const pronouns = (body.pronouns ?? "").trim().slice(0, 20);
    const characterRace = (body.characterRace ?? "").trim().slice(0, 32);
    const characterClass = (body.characterClass ?? "").trim().slice(0, 32);
    const bio = (body.bio ?? "").trim().slice(0, 200);
    const guildName = (body.guildName ?? "").trim().slice(0, 64);
    const guildDescription = (body.guildDescription ?? "").trim().slice(0, 500);
    // eslint-disable-next-line capitalized-comments -- v8 ignore
    /* v8 ignore next 2 -- @preserve */
    /* eslint-disable-next-line @typescript-eslint/consistent-type-assertions -- Runtime shape check */
    const parsedNumberFormat = (body.profileSettings.numberFormat ?? "") as string;
    const numberFormat = validNumberFormats.has(parsedNumberFormat)
      /* eslint-disable-next-line @typescript-eslint/consistent-type-assertions -- Runtime shape check */
      ? (parsedNumberFormat as ProfileSettings["numberFormat"])
      : "suffix";
    const profileSettings: ProfileSettings = {
      enableNotifications: body.profileSettings.enableNotifications ?? false,
      enablePrestigeAnnouncements: body.profileSettings.enablePrestigeAnnouncements ?? true,
      enableSounds: body.profileSettings.enableSounds ?? false,
      numberFormat: numberFormat,
      showAchievementsUnlocked: body.profileSettings.showAchievementsUnlocked ?? true,
      showAdventurersRecruited: body.profileSettings.showAdventurersRecruited ?? true,
      showApotheosis: body.profileSettings.showApotheosis ?? true,
      showBossesDefeated: body.profileSettings.showBossesDefeated ?? true,
      showCurrentClicks: body.profileSettings.showCurrentClicks ?? true,
      showCurrentGold: body.profileSettings.showCurrentGold ?? true,
      showGuildFounded: body.profileSettings.showGuildFounded ?? true,
      showLifetimeAchievementsUnlocked: body.profileSettings.showLifetimeAchievementsUnlocked ?? true,
      showLifetimeAdventurersRecruited: body.profileSettings.showLifetimeAdventurersRecruited ?? true,
      showLifetimeBossesDefeated: body.profileSettings.showLifetimeBossesDefeated ?? true,
      showLifetimeQuestsCompleted: body.profileSettings.showLifetimeQuestsCompleted ?? true,
      showOnLeaderboards: body.profileSettings.showOnLeaderboards ?? true,
      showPrestige: body.profileSettings.showPrestige ?? true,
      showQuestsCompleted: body.profileSettings.showQuestsCompleted ?? true,
      showTotalClicks: body.profileSettings.showTotalClicks ?? true,
      showTotalGold: body.profileSettings.showTotalGold ?? true,
      showTranscendence: body.profileSettings.showTranscendence ?? true,
    };

    const activeTitle
      = typeof body.activeTitle === "string"
        ? body.activeTitle.slice(0, 64)
        : undefined;

    const updated = await prisma.player.update({
      data: {
        bio: bio,
        characterClass: characterClass,
        characterName: characterName,
        characterRace: characterRace,
        guildDescription: guildDescription,
        guildName: guildName,
        /* eslint-disable-next-line @typescript-eslint/consistent-type-assertions -- Prisma requires object */
        profileSettings: profileSettings as object,
        pronouns: pronouns,
        ...activeTitle === undefined
          ? {}
          : { activeTitle },
      },
      where: { discordId },
    });

    return context.json({
      activeTitle: updated.activeTitle,
      bio: updated.bio,
      characterClass: updated.characterClass,
      characterName: updated.characterName,
      characterRace: updated.characterRace,
      guildDescription: updated.guildDescription,
      guildName: updated.guildName,
      profileSettings: profileSettings,
      pronouns: updated.pronouns,
    });
  } catch (error) {
    void logger.error(
      "profile_update",
      error instanceof Error
        ? error
        : new Error(String(error)),
    );
    return context.json({ error: "Internal server error" }, 500);
  }
});

export { profileRouter };