import { prisma } from '../database';

export interface GuildSettings {
  welcomeChannelId?: string;
  logChannelId?: string;
  automodEnabled?: boolean;
  automodConfig?: any;
  statuspageEnabled?: boolean;
  statuspageConfig?: any;
  welcomeConfig?: {
    enabled?: boolean;
    channelId?: string;
    embedTitle?: string;
    embedDescription?: string;
    embedColor?: string;
    embedFooter?: string;
    embedThumbnail?: string;
    embedImage?: string;
    embedThumbnailData?: string;
    embedImageData?: string;
  };
  loggingConfig?: {
    logChannelId?: string;
    categories?: {
      joinLeave?: boolean;
      messageEdit?: boolean;
      messageDelete?: boolean;
      automodActions?: boolean;
      ticketActions?: boolean;
      musicEvents?: boolean;
    };
  };
  levelingEnabled?: boolean;
  ticketsEnabled?: boolean;
  musicEnabled?: boolean;
  dynamicVoiceEnabled?: boolean;
  dynamicVoiceConfig?: {
    lobbyChannelId?: string;
    categoryId?: string;
    userLimit?: number;
    bitrate?: number;
    template?: string;
  };
  eventsEnabled?: boolean;
  supportLoginConfig?: {
    panelChannelId?: string;
    panelMessageId?: string;
    title?: string;
    description?: string;
    loginLabel?: string;
    logoutLabel?: string;
    autoRefresh?: boolean;
  };
  birthdayEnabled?: boolean;
  birthdayConfig?: {
    enabled?: boolean;
    channelId?: string;
    sendHour?: number;
    messageTemplate?: string;
  };
  reactionRolesEnabled?: boolean;
  reactionRolesConfig?: any;
  supportRoleId?: string;
  welcomeEnabled?: boolean;
}

class SettingsStore {
  private cache = new Map<string, GuildSettings>();

  private applyModuleDefaults(cfg: GuildSettings): GuildSettings {
    const normalized: GuildSettings = { ...cfg };
    (
      [
        'ticketsEnabled',
        'automodEnabled',
        'welcomeEnabled',
        'levelingEnabled',
        'musicEnabled',
        'dynamicVoiceEnabled',
        'statuspageEnabled',
        'birthdayEnabled',
        'reactionRolesEnabled',
        'eventsEnabled'
      ] as const
    ).forEach((key) => {
      if (normalized[key] === undefined) normalized[key] = true;
    });
    // keep welcomeConfig flag in sync when present
    if (normalized.welcomeConfig && normalized.welcomeConfig.enabled === undefined && normalized.welcomeEnabled !== undefined) {
      normalized.welcomeConfig = { ...normalized.welcomeConfig, enabled: normalized.welcomeEnabled };
    }
    return normalized;
  }

  public async init() {
    const rows = await prisma.guildSettings.findMany();
    rows.forEach((row) => {
      const cfg = {
        welcomeChannelId: row.welcomeChannelId ?? undefined,
        logChannelId: row.logChannelId ?? undefined,
        automodEnabled: row.automodEnabled ?? undefined,
        automodConfig: (row as any).automodConfig ?? undefined,
        statuspageEnabled: (row as any).statuspageEnabled ?? (row as any).automodConfig?.statuspageEnabled ?? undefined,
        statuspageConfig: (row as any).statuspageConfig ?? (row as any).automodConfig?.statuspageConfig ?? undefined,
        welcomeEnabled: (row as any).welcomeEnabled ?? undefined,
        welcomeConfig: (row as any).automodConfig?.welcomeConfig ?? undefined,
        loggingConfig: (row as any).automodConfig?.loggingConfig ?? undefined,
        levelingEnabled: row.levelingEnabled ?? undefined,
        ticketsEnabled: row.ticketsEnabled ?? undefined,
        musicEnabled: (row as any).musicEnabled ?? undefined,
        dynamicVoiceEnabled: (row as any).dynamicVoiceEnabled ?? undefined,
        dynamicVoiceConfig: (row as any).dynamicVoiceConfig ?? undefined,
        eventsEnabled: (row as any).eventsEnabled ?? undefined,
        supportLoginConfig: (row as any).supportLoginConfig ?? undefined,
        birthdayEnabled: (row as any).birthdayEnabled ?? undefined,
        birthdayConfig: (row as any).birthdayConfig ?? undefined,
        reactionRolesEnabled: (row as any).reactionRolesEnabled ?? undefined,
        reactionRolesConfig: (row as any).reactionRolesConfig ?? undefined,
        supportRoleId: row.supportRoleId ?? undefined
      } satisfies GuildSettings;
      this.cache.set(row.guildId, this.applyModuleDefaults(cfg));
    });
    return this.cache;
  }

  public get(guildId: string) {
    const cached = this.cache.get(guildId);
    return cached ? this.applyModuleDefaults(cached) : undefined;
  }

  public all() {
    return this.cache;
  }

  public async set(guildId: string, partial: GuildSettings) {
    if ((partial as any).welcomeEnabled !== undefined) {
      partial.welcomeConfig = { ...(partial.welcomeConfig ?? {}), enabled: (partial as any).welcomeEnabled };
      delete (partial as any).welcomeEnabled;
    }
    if (partial.birthdayEnabled !== undefined) {
      partial.birthdayConfig = { ...(partial.birthdayConfig ?? {}), enabled: partial.birthdayEnabled };
    } else if (partial.birthdayConfig?.enabled !== undefined) {
      partial.birthdayEnabled = partial.birthdayConfig.enabled;
    }
    if (partial.reactionRolesEnabled !== undefined) {
      partial.reactionRolesConfig = { ...(partial.reactionRolesConfig ?? {}), enabled: partial.reactionRolesEnabled };
    } else if (partial.reactionRolesConfig?.enabled !== undefined) {
      partial.reactionRolesEnabled = partial.reactionRolesConfig.enabled;
    }
    const merged: GuildSettings = this.applyModuleDefaults({ ...(this.cache.get(guildId) ?? {}), ...partial });
    const mergedAutomod = {
      ...(merged.automodConfig ?? {}),
      ...(partial.automodConfig ?? {}),
      loggingConfig: partial.loggingConfig ?? merged.loggingConfig ?? merged.automodConfig?.loggingConfig,
      welcomeConfig: partial.welcomeConfig ?? merged.welcomeConfig ?? merged.automodConfig?.welcomeConfig,
      statuspageEnabled: merged.statuspageEnabled,
      statuspageConfig: partial.statuspageConfig ?? merged.statuspageConfig ?? merged.automodConfig?.statuspageConfig
    };
    if (partial.dynamicVoiceConfig) {
      merged.dynamicVoiceConfig = { ...(merged.dynamicVoiceConfig ?? {}), ...partial.dynamicVoiceConfig };
    }
    if (partial.supportLoginConfig) {
      merged.supportLoginConfig = { ...(merged.supportLoginConfig ?? {}), ...partial.supportLoginConfig };
    }
    if (partial.birthdayConfig) {
      merged.birthdayConfig = { ...(merged.birthdayConfig ?? {}), ...partial.birthdayConfig };
    }
    if (partial.reactionRolesConfig) {
      merged.reactionRolesConfig = { ...(merged.reactionRolesConfig ?? {}), ...partial.reactionRolesConfig };
    }
    merged.automodConfig = { ...mergedAutomod, supportLoginConfig: merged.supportLoginConfig ?? mergedAutomod['supportLoginConfig'] };
    merged.statuspageEnabled = mergedAutomod.statuspageEnabled;
    merged.statuspageConfig = mergedAutomod.statuspageConfig;
    merged.loggingConfig = mergedAutomod.loggingConfig;
    merged.welcomeConfig = mergedAutomod.welcomeConfig;
    this.cache.set(guildId, merged);
    await prisma.guildSettings.upsert({
      where: { guildId },
      update: {
        welcomeChannelId: merged.welcomeChannelId ?? null,
        logChannelId: merged.logChannelId ?? null,
        automodEnabled: merged.automodEnabled ?? null,
        automodConfig: merged.automodConfig ?? null,
        levelingEnabled: merged.levelingEnabled ?? null,
        ticketsEnabled: merged.ticketsEnabled ?? null,
        musicEnabled: merged.musicEnabled ?? null,
        statuspageEnabled: merged.statuspageEnabled ?? null,
        statuspageConfig: merged.statuspageConfig ?? null,
        dynamicVoiceEnabled: merged.dynamicVoiceEnabled ?? null,
        dynamicVoiceConfig: merged.dynamicVoiceConfig ?? null,
        eventsEnabled: (merged as any).eventsEnabled ?? null,
        birthdayEnabled: merged.birthdayEnabled ?? null,
        birthdayConfig: merged.birthdayConfig ?? null,
        reactionRolesEnabled: merged.reactionRolesEnabled ?? null,
        reactionRolesConfig: merged.reactionRolesConfig ?? null,
        supportRoleId: merged.supportRoleId ?? null
      },
      create: {
        guildId,
        welcomeChannelId: merged.welcomeChannelId ?? null,
        logChannelId: merged.logChannelId ?? null,
        automodEnabled: merged.automodEnabled ?? null,
        automodConfig: merged.automodConfig ?? null,
        levelingEnabled: merged.levelingEnabled ?? null,
        ticketsEnabled: merged.ticketsEnabled ?? null,
        musicEnabled: merged.musicEnabled ?? null,
        statuspageEnabled: merged.statuspageEnabled ?? null,
        statuspageConfig: merged.statuspageConfig ?? null,
        dynamicVoiceEnabled: merged.dynamicVoiceEnabled ?? null,
        dynamicVoiceConfig: merged.dynamicVoiceConfig ?? null,
        eventsEnabled: (merged as any).eventsEnabled ?? null,
        birthdayEnabled: merged.birthdayEnabled ?? null,
        birthdayConfig: merged.birthdayConfig ?? null,
        reactionRolesEnabled: merged.reactionRolesEnabled ?? null,
        reactionRolesConfig: merged.reactionRolesConfig ?? null,
        supportRoleId: merged.supportRoleId ?? null
      }
    });
    return merged;
  }
}

export const settingsStore = new SettingsStore();
// Backwards compatibility for existing imports (read-only)
export const settings = settingsStore.all();