import cloud from "@lafjs/cloud";
import Utils from "@/Utils";
import { WEEKLY_REWARDS } from "@/dailyTaskConfig";
import { refreshTaskData } from "@/dailyTaskService";

const db = cloud.database();

export default async function (ctx: FunctionContext) {
  const body = ctx.body || {};
  const uid = body.uid;
  if (!uid) return { code: 0, data: null, msg: "未获取到uid" };

  const result = await db.collection("users").where({ _id: uid }).getOne();
  const user = result.data;
  if (!user) return { code: 0, data: null, msg: "未获取到用户信息" };
  if (user.token && !Utils.checkToken(body.token, user.token)) {
    return { code: 0, data: null, msg: "token校验失败" };
  }
  if (user.isDebug !== true && user.isDebug !== "true") {
    return { code: 403, data: null, msg: "仅调试账号可调用" };
  }
  // const debugKey = process.env.DAILY_TASK_DEBUG_KEY;
  // if (!debugKey || body.debugKey !== debugKey) {
  //   return { code: 403, data: null, msg: "调试密钥校验失败" };
  // }

  const level = Number(user.levelAmount) + 1 || 1;
  let task = refreshTaskData(user.task, uid, level).data;
  const action = String(body.action || "");

  if (action === "set_daily_progress" || action === "complete_daily") {
    const dailyTask = findDailyTask(task.dailyTasks, body.taskId, body.slot);
    if (!dailyTask) return { code: 0, data: { task }, msg: "未找到指定每日任务" };
    const value = action === "complete_daily" ? dailyTask.target : Number(body.value);
    if (!Number.isFinite(value)) return { code: 0, data: { task }, msg: "value必须是数字" };
    dailyTask.value = Math.max(0, Math.min(dailyTask.target, value));
    if (dailyTask.state !== 2) dailyTask.state = dailyTask.value >= dailyTask.target ? 1 : 0;
  }
  else if (action === "complete_all_daily") {
    task.dailyTasks.forEach(dailyTask => {
      if (dailyTask.state === 2) return;
      dailyTask.value = dailyTask.target;
      dailyTask.state = 1;
    });
  }
  else if (action === "set_weekly_stars" || action === "add_weekly_stars") {
    const value = Number(body.value);
    if (!Number.isFinite(value)) return { code: 0, data: { task }, msg: "value必须是数字" };
    const stars = action === "add_weekly_stars" ? task.weeklyStars + value : value;
    task.weeklyStars = Math.max(0, Math.min(140, stars));
  }
  else if (action === "reset_daily") {
    task.dayKey = "";
    task = refreshTaskData(task, uid, level).data;
  }
  else if (action === "reset_weekly") {
    task.weeklyStars = 0;
    task.weeklyRewards = cloneWeeklyRewards();
  }
  else if (action === "reset_all") {
    task.dayKey = "";
    task.weekKey = "";
    task = refreshTaskData(task, uid, level).data;
  }
  else {
    return { code: 0, data: { task }, msg: "不支持的调试操作" };
  }

  task = refreshTaskData(task, uid, level).data;
  await db.collection(dbname).where({ _id: uid }).update({
    task: JSON.stringify(task),
    taskTime: Date.now(),
  });
  return { code: 1, data: { task }, msg: "调试任务数据更新成功" };
}

function findDailyTask(tasks: any[], taskId: unknown, slot: unknown) {
  if (taskId != null && taskId !== "") return tasks.find(task => task.taskId === String(taskId));
  const slotNumber = Number(slot);
  return Number.isInteger(slotNumber) ? tasks.find(task => task.slot === slotNumber) : null;
}

function cloneWeeklyRewards() {
  return WEEKLY_REWARDS.map(reward => ({
    ...reward,
    state: 0 as const,
    rewards: reward.rewards.map(item => ({ ...item })),
  }));
}