package main

import (
	"fmt"
	"strings"

	"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
	}

	channelID := 3

	// 1. 成本统计（复用 calcCostByInventory 的 SQL 逻辑）
	type costRow struct {
		UnitCost   int64
		Multiplier int64
	}
	var rows []costRow
	db.Table("user_inventory").
		Select(`
			COALESCE(NULLIF(user_inventory.value_cents, 0), activity_reward_settings.price_snapshot_cents, products.price, 0) AS unit_cost,
			GREATEST(COALESCE(system_item_cards.reward_multiplier_x1000, 1000), 1000) AS multiplier
		`).
		Joins("JOIN users ON users.id = user_inventory.user_id").
		Joins("LEFT JOIN orders ON orders.id = user_inventory.order_id").
		Joins("LEFT JOIN activity_reward_settings ON activity_reward_settings.id = user_inventory.reward_id").
		Joins("LEFT JOIN products ON products.id = user_inventory.product_id").
		Joins("LEFT JOIN user_item_cards ON user_item_cards.id = orders.item_card_id").
		Joins("LEFT JOIN system_item_cards ON system_item_cards.id = user_item_cards.card_id").
		Where("users.channel_id = ? AND users.deleted_at IS NULL", channelID).
		Where("user_inventory.status IN ?", []int{1, 3}).
		Where("COALESCE(user_inventory.remark, '') NOT LIKE ?", "%void%").
		Where("(orders.status = 2 OR user_inventory.order_id = 0 OR user_inventory.order_id IS NULL)").
		Where("(orders.source_type IN (1,2,3,4) OR user_inventory.order_id = 0 OR user_inventory.order_id IS NULL)").
		Scan(&rows)

	var totalCostBase, totalCostFinal int64
	var withCard, withoutCard int
	for _, r := range rows {
		cost := r.UnitCost * r.Multiplier / 1000
		totalCostFinal += cost
		totalCostBase += r.UnitCost
		if r.Multiplier > 1000 {
			withCard++
		} else {
			withoutCard++
		}
	}

	fmt.Println("========================================")
	fmt.Printf("渠道 %d 盈亏分析\n", channelID)
	fmt.Println("========================================")
	fmt.Println()

	fmt.Println("【成本统计】")
	fmt.Printf("  资产记录数:  %d 条\n", len(rows))
	fmt.Printf("  无道具卡:    %d 条\n", withoutCard)
	fmt.Printf("  有道具卡:    %d 条（成本×倍数）\n", withCard)
	fmt.Printf("  基础成本:    %d 分 = %.2f 元\n", totalCostBase, float64(totalCostBase)/100)
	fmt.Printf("  含卡成本:    %d 分 = %.2f 元\n", totalCostFinal, float64(totalCostFinal)/100)
	if totalCostBase > 0 {
		fmt.Printf("  道具卡加成:  +%.2f 元 (%.1f%%)\n",
			float64(totalCostFinal-totalCostBase)/100,
			float64(totalCostFinal-totalCostBase)/float64(totalCostBase)*100)
	}
	fmt.Println()

	// 2. 收入统计（已有的 price_draw × count）
	// 简化：直接用 SQL 统计 actual_amount 作为对比参考
	type amountResult struct {
		TotalCents int64
	}
	var ar amountResult
	orderFilter := "users.channel_id = ? AND users.deleted_at IS NULL AND orders.status = 2 AND orders.actual_amount > 0 AND orders.source_type IN (1,2,3,4) 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("COALESCE(SUM(orders.actual_amount), 0) as total_cents").
		Where(orderFilter, channelID).
		Scan(&ar)

	fmt.Println("【收入参考 (actual_amount)】")
	fmt.Printf("  实付金额:    %d 分 = %.2f 元\n", ar.TotalCents, float64(ar.TotalCents)/100)
	fmt.Println()

	// 3. 盈亏
	profit := ar.TotalCents - totalCostFinal
	fmt.Println("【盈亏】")
	fmt.Printf("  收入(实付):  %.2f 元\n", float64(ar.TotalCents)/100)
	fmt.Printf("  成本(含卡):  %.2f 元\n", float64(totalCostFinal)/100)
	fmt.Println(strings.Repeat("-", 40))
	fmt.Printf("  盈亏:        %.2f 元\n", float64(profit)/100)
	if profit > 0 {
		fmt.Printf("  状态:        盈利 ✅\n")
	} else if profit < 0 {
		fmt.Printf("  状态:        亏损 ❌\n")
	} else {
		fmt.Printf("  状态:        持平\n")
	}
	fmt.Println()

	// 4. 道具卡详情
	type cardDetail struct {
		CardName   string
		Multiplier int64
		Count      int64
	}
	var cards []cardDetail
	db.Table("user_inventory").
		Select(`
			system_item_cards.name as card_name,
			system_item_cards.reward_multiplier_x1000 as multiplier,
			COUNT(*) as count
		`).
		Joins("JOIN users ON users.id = user_inventory.user_id").
		Joins("LEFT JOIN orders ON orders.id = user_inventory.order_id").
		Joins("LEFT JOIN user_item_cards ON user_item_cards.id = orders.item_card_id").
		Joins("LEFT JOIN system_item_cards ON system_item_cards.id = user_item_cards.card_id").
		Where("users.channel_id = ? AND users.deleted_at IS NULL", channelID).
		Where("user_inventory.status IN ?", []int{1, 3}).
		Where("COALESCE(user_inventory.remark, '') NOT LIKE ?", "%void%").
		Where("(orders.status = 2 OR user_inventory.order_id = 0 OR user_inventory.order_id IS NULL)").
		Where("(orders.source_type IN (1,2,3,4) OR user_inventory.order_id = 0 OR user_inventory.order_id IS NULL)").
		Where("system_item_cards.id IS NOT NULL").
		Group("system_item_cards.id").
		Scan(&cards)

	if len(cards) > 0 {
		fmt.Println("【道具卡使用详情】")
		fmt.Printf("%-20s %-10s %-10s\n", "卡名", "倍数", "次数")
		fmt.Println(strings.Repeat("-", 40))
		for _, c := range cards {
			fmt.Printf("%-20s ×%.1f       %-10d\n", c.CardName, float64(c.Multiplier)/1000, c.Count)
		}
	} else {
		fmt.Println("【道具卡使用详情】无道具卡使用记录")
	}
}