import { handleApi } from "@/lib/api";
import { requireUser, updateUserProfile } from "@/lib/services/user";
import { db, spiritualConfig } from "@/lib/db";
import { eq } from "drizzle-orm";
import { normalizeSettingsTheme } from "@/lib/services/theme-migration";
import { migrateUserThemeInDb } from "@/lib/services/theme-migration";
import { seedPromptTemplatesForUser } from "@/lib/services/ai-templates";
import { getSettingsForUser, upsertSetting } from "@/lib/repositories/settings.repository";
import { parseJsonBody, settingsPatchSchema } from "@/lib/validation";

export async function GET() {
  return handleApi(async () => {
    const { user } = await requireUser();
    const allSettings = await getSettingsForUser(user.id);
    const settingsMap = Object.fromEntries(allSettings.map((s) => [s.key, s.value]));
    const migratedTheme = await migrateUserThemeInDb(
      user.id,
      settingsMap.theme as string | undefined
    );
    settingsMap.theme = migratedTheme;
    const [spiritual] = await db
      .select()
      .from(spiritualConfig)
      .where(eq(spiritualConfig.userId, user.id));
    await seedPromptTemplatesForUser(user.id);
    return {
      user,
      settings: normalizeSettingsTheme(settingsMap),
      spiritual,
    };
  });
}

export async function PATCH(request: Request) {
  return handleApi(async () => {
    const body = await parseJsonBody(request, settingsPatchSchema);
    const { user } = await requireUser();

    if (body.profile) {
      await updateUserProfile(user.id, body.profile);
    }
    if (body.settings) {
      for (const [key, value] of Object.entries(body.settings)) {
        await upsertSetting(user.id, key, value);
      }
    }
    if (body.spiritual) {
      await db
        .update(spiritualConfig)
        .set({
          prayerLabels: body.spiritual.prayerLabels,
          litanyLabels: body.spiritual.litanyLabels,
        })
        .where(eq(spiritualConfig.userId, user.id));
    }
    return { ok: true };
  });
}