package service

// * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// * Copyright 2023 The Geek-AI Authors. All rights reserved.
// * Use of this source code is governed by a Apache-2.0 license
// * that can be found in the LICENSE file.
// * @Author yangjian102621@163.com
// * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

import (
	"context"
	"fmt"
	"geekai/core/types"
	logger2 "geekai/logger"
	"geekai/store/model"
	"geekai/utils"
	"github.com/xxl-job/xxl-job-executor-go"
	"gorm.io/gorm"
	"time"
)

var logger = logger2.GetLogger()

type XXLJobExecutor struct {
	executor xxl.Executor
	db       *gorm.DB
}

func NewXXLJobExecutor(config *types.AppConfig, db *gorm.DB) *XXLJobExecutor {
	if !config.XXLConfig.Enabled {
		logger.Info("XXL-JOB service is disabled")
		return nil
	}

	exec := xxl.NewExecutor(
		xxl.ServerAddr(config.XXLConfig.ServerAddr),
		xxl.AccessToken(config.XXLConfig.AccessToken),   //请求令牌(默认为空)
		xxl.ExecutorIp(config.XXLConfig.ExecutorIp),     //可自动获取
		xxl.ExecutorPort(config.XXLConfig.ExecutorPort), //默认9999（非必填）
		xxl.RegistryKey(config.XXLConfig.RegistryKey),   //执行器名称
		xxl.SetLogger(&customLogger{}),                  //自定义日志
	)
	exec.Init()
	return &XXLJobExecutor{executor: exec, db: db}
}

func (e *XXLJobExecutor) Run() error {
	e.executor.RegTask("ClearOrders", e.ClearOrders)
	e.executor.RegTask("ResetVipPower", e.ResetVipPower)
	e.executor.RegTask("ResetUserPower", e.ResetUserPower)
	return e.executor.Run()
}

// ClearOrders 清理未支付的订单，如果没有抛出异常则表示执行成功
func (e *XXLJobExecutor) ClearOrders(cxt context.Context, param *xxl.RunReq) (msg string) {
	logger.Info("执行清理未支付订单...")
	var sysConfig model.Config
	res := e.db.Where("marker", "system").First(&sysConfig)
	if res.Error != nil {
		return "error with get system config: " + res.Error.Error()
	}

	var config types.SystemConfig
	err := utils.JsonDecode(sysConfig.Config, &config)
	if err != nil {
		return "error with decode system config: " + err.Error()
	}

	if config.OrderPayTimeout == 0 { // 默认未支付订单的生命周期为 30 分钟
		config.OrderPayTimeout = 1800
	}
	timeout := time.Now().Unix() - int64(config.OrderPayTimeout)
	start := utils.Stamp2str(timeout)
	// 这里不是用软删除，而是永久删除订单
	res = e.db.Unscoped().Where("status IN ? AND created_at < ?", []types.OrderStatus{types.OrderNotPaid, types.OrderScanned}, start).Delete(&model.Order{})
	logger.Infof("Clear order successfully, affect rows: %d", res.RowsAffected)
	return "success"
}

// ResetVipPower 重置VIP会员算力
// 自动将 VIP 会员的算力补充到每月赠送的最大值
func (e *XXLJobExecutor) ResetVipPower(cxt context.Context, param *xxl.RunReq) (msg string) {
	logger.Info("开始进行月底账号盘点...")
	return "success"
}

func (e *XXLJobExecutor) ResetUserPower(cxt context.Context, param *xxl.RunReq) (msg string) {
	logger.Info("今日算力派发开始：", time.Now())
	var users []model.User
	res := e.db.Where("status", 1).Find(&users)
	if res.Error != nil {
		return "No matching users"
	}

	var sysConfig model.Config
	res = e.db.Where("marker", "system").First(&sysConfig)
	if res.Error != nil {
		return "error with get system config: " + res.Error.Error()
	}

	var config types.SystemConfig
	err := utils.JsonDecode(sysConfig.Config, &config)
	if err != nil {
		return "error with decode system config: " + err.Error()
	}

	if config.DailyPower <= 0 {
		return "success"
	}

	var counter = 0
	var totalPower = 0
	for _, u := range users {
		if u.Power >= config.DailyPower {
			continue
		}
		var power = config.DailyPower - u.Power
		// update user
		tx := e.db.Model(&model.User{}).Where("id", u.Id).UpdateColumn("power", gorm.Expr("power + ?", power))
		// 记录算力充值日志
		if tx.Error == nil {
			var user model.User
			e.db.Where("id", u.Id).First(&user)
			e.db.Create(&model.PowerLog{
				UserId:    u.Id,
				Username:  u.Username,
				Type:      types.PowerGift,
				Amount:    power,
				Mark:      types.PowerAdd,
				Balance:   user.Power,
				Model:     "系统赠送",
				Remark:    fmt.Sprintf("系统每日算力派发，今日额度：%d", config.DailyPower),
				CreatedAt: time.Now(),
			})
		}
		counter++
		totalPower += power
	}
	logger.Infof("今日派发算力结束！累计派发 %d 人，累计派发算力：%d", counter, totalPower)
	return "success"
}

type customLogger struct{}

func (l *customLogger) Info(format string, a ...interface{}) {
	logger.Debugf(format, a...)
}

func (l *customLogger) Error(format string, a ...interface{}) {
	logger.Errorf(format, a...)
}