//go:build ignore

package main

import (
	"fmt"

	"gorm.io/driver/mysql"
	"gorm.io/gorm"
)

func main() {
	dsn := "root:bindbox2025kdy@tcp(150.158.78.154:3306)/dev_game?charset=utf8mb4&parseTime=True&loc=Local"
	db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{})
	if err != nil {
		fmt.Println("连接失败:", err)
		return
	}

	filter := "users.deleted_at IS NULL AND orders.status = 2 AND orders.total_amount > 0 AND orders.actual_amount > 0 AND orders.source_type IN (2,3,4) AND (orders.ext_order_id = '' OR orders.ext_order_id IS NULL)"

	// 1. 各字段使用分布
	type FieldStats struct {
		Label string
		Count int64
		Sum   int64
	}

	fmt.Println("========== GMV 支付方式拆分数据探查 ==========")
	fmt.Println()

	// actual_amount (现金)
	var cash FieldStats
	db.Table("orders").Joins("JOIN users ON users.id = orders.user_id").
		Select("'现金(actual_amount)' as label, COUNT(*) as count, COALESCE(SUM(actual_amount),0) as sum").
		Where(filter).Scan(&cash)

	// discount_amount (优惠券)
	var coupon FieldStats
	db.Table("orders").Joins("JOIN users ON users.id = orders.user_id").
		Select("'优惠券(discount_amount)' as label, COUNT(*) as count, COALESCE(SUM(discount_amount),0) as sum").
		Where(filter + " AND discount_amount > 0").Scan(&coupon)

	// points_amount (积分)
	var points FieldStats
	db.Table("orders").Joins("JOIN users ON users.id = orders.user_id").
		Select("'积分(points_amount)' as label, COUNT(*) as count, COALESCE(SUM(points_amount),0) as sum").
		Where(filter + " AND points_amount > 0").Scan(&points)

	// 道具卡 (item_card_id > 0)
	var itemCard FieldStats
	db.Table("orders").Joins("JOIN users ON users.id = orders.user_id").
		Select("'道具卡(item_card_id)' as label, COUNT(*) as count, 0 as sum").
		Where(filter + " AND item_card_id > 0").Scan(&itemCard)

	// 总 GMV
	var totalGMV FieldStats
	db.Table("orders").Joins("JOIN users ON users.id = orders.user_id").
		Select("'总GMV(total_amount)' as label, COUNT(*) as count, COALESCE(SUM(total_amount),0) as sum").
		Where(filter).Scan(&totalGMV)

	fmt.Printf("%-25s %8s %14s\n", "字段", "订单数", "金额(元)")
	fmt.Println("--------------------------------------------------")
	for _, f := range []FieldStats{totalGMV, cash, coupon, points, itemCard} {
		fmt.Printf("%-25s %8d %14.2f\n", f.Label, f.Count, float64(f.Sum)/100)
	}

	// 2. 验证: total = actual + discount + points ?
	fmt.Println()
	fmt.Println("========== 验证: total_amount = actual + discount + points ? ==========")
	type MismatchRow struct {
		Count int64
	}
	var mismatch MismatchRow
	db.Table("orders").Joins("JOIN users ON users.id = orders.user_id").
		Select("COUNT(*) as count").
		Where(filter + " AND total_amount != (actual_amount + discount_amount + points_amount)").
		Scan(&mismatch)
	fmt.Printf("  不等式成立的订单数: %d\n", mismatch.Count)

	if mismatch.Count > 0 {
		type DetailRow struct {
			ID             int64
			TotalAmount    int64
			ActualAmount   int64
			DiscountAmount int64
			PointsAmount   int64
			Diff           int64
		}
		var details []DetailRow
		db.Table("orders").Joins("JOIN users ON users.id = orders.user_id").
			Select("orders.id, orders.total_amount, orders.actual_amount, orders.discount_amount, orders.points_amount, (orders.total_amount - orders.actual_amount - orders.discount_amount - orders.points_amount) as diff").
			Where(filter + " AND total_amount != (actual_amount + discount_amount + points_amount)").
			Limit(5).Scan(&details)
		fmt.Println("  抽样:")
		for _, d := range details {
			fmt.Printf("    #%d total=%d actual=%d discount=%d points=%d diff=%d\n",
				d.ID, d.TotalAmount, d.ActualAmount, d.DiscountAmount, d.PointsAmount, d.Diff)
		}
	}

	// 3. 次卡购买订单的支付方式拆分
	fmt.Println()
	fmt.Println("========== source_type=4 购买次卡的支付方式 ==========")
	var gpCash, gpCoupon, gpPoints FieldStats
	gpFilter := "users.deleted_at IS NULL AND orders.status = 2 AND orders.total_amount > 0 AND orders.actual_amount > 0 AND orders.source_type = 4 AND orders.order_no LIKE 'GP%' AND (orders.ext_order_id = '' OR orders.ext_order_id IS NULL)"

	db.Table("orders").Joins("JOIN users ON users.id = orders.user_id").
		Select("'现金' as label, COUNT(*) as count, COALESCE(SUM(actual_amount),0) as sum").
		Where(gpFilter).Scan(&gpCash)
	db.Table("orders").Joins("JOIN users ON users.id = orders.user_id").
		Select("'优惠券' as label, COUNT(*) as count, COALESCE(SUM(discount_amount),0) as sum").
		Where(gpFilter + " AND discount_amount > 0").Scan(&gpCoupon)
	db.Table("orders").Joins("JOIN users ON users.id = orders.user_id").
		Select("'积分' as label, COUNT(*) as count, COALESCE(SUM(points_amount),0) as sum").
		Where(gpFilter + " AND points_amount > 0").Scan(&gpPoints)

	fmt.Printf("  现金: %d单 %.2f元\n", gpCash.Count, float64(gpCash.Sum)/100)
	fmt.Printf("  优惠券: %d单 %.2f元\n", gpCoupon.Count, float64(gpCoupon.Sum)/100)
	fmt.Printf("  积分: %d单 %.2f元\n", gpPoints.Count, float64(gpPoints.Sum)/100)

	// 4. 按 source_type 拆分 GMV 构成
	fmt.Println()
	fmt.Println("========== 按游戏类型 × 支付方式 ==========")
	srcNames := map[int]string{2: "小程序抽奖", 3: "对对碰", 4: "一番赏/次卡"}
	for _, st := range []int{2, 3, 4} {
		stFilter := fmt.Sprintf("users.deleted_at IS NULL AND orders.status = 2 AND orders.total_amount > 0 AND orders.actual_amount > 0 AND orders.source_type = %d AND (orders.ext_order_id = '' OR orders.ext_order_id IS NULL)", st)
		var total, actual, discount, pts FieldStats
		db.Table("orders").Joins("JOIN users ON users.id = orders.user_id").
			Select("'total' as label, COUNT(*) as count, COALESCE(SUM(total_amount),0) as sum").
			Where(stFilter).Scan(&total)
		db.Table("orders").Joins("JOIN users ON users.id = orders.user_id").
			Select("'actual' as label, COUNT(*) as count, COALESCE(SUM(actual_amount),0) as sum").
			Where(stFilter).Scan(&actual)
		db.Table("orders").Joins("JOIN users ON users.id = orders.user_id").
			Select("'discount' as label, COUNT(*) as count, COALESCE(SUM(discount_amount),0) as sum").
			Where(stFilter).Scan(&discount)
		db.Table("orders").Joins("JOIN users ON users.id = orders.user_id").
			Select("'points' as label, COUNT(*) as count, COALESCE(SUM(points_amount),0) as sum").
			Where(stFilter).Scan(&pts)

		fmt.Printf("  %s(type=%d): %d单  GMV=%.2f  现金=%.2f  优惠券=%.2f  积分=%.2f\n",
			srcNames[st], st, total.Count,
			float64(total.Sum)/100, float64(actual.Sum)/100,
			float64(discount.Sum)/100, float64(pts.Sum)/100)
	}
}