package service

import (
	"context"
	"fmt"
	"strings"
	"testing"
	"time"

	"affiliate_dash/internal/model"
)

func createSupportTestOrder(t *testing.T, svc *RockService, merchantID uint, orderNo, clientOrderNo string) {
	t.Helper()
	now := time.Now()
	order := model.FulfillmentOrder{
		MerchantID:    merchantID,
		OrderNo:       orderNo,
		ClientOrderNo: clientOrderNo,
		ProductSKU:    model.RockSKUBlackTshirt,
		ProductName:   "黑色ROCK长袖T恤",
		OrderStatus:   model.OrderStatusPaid,
		OrderSource:   "manual",
		Currency:      "POINT",
		CreatedAt:     now,
		UpdatedAt:     now,
	}
	if err := svc.db.Create(&order).Error; err != nil {
		t.Fatalf("创建订单失败: %v", err)
	}
}

func createSupportTestToken(t *testing.T, svc *RockService, upstreamID, redeemCode, orderNo, status, roleName, roleID string) model.RockToken {
	t.Helper()
	now := time.Now()
	token := model.RockToken{
		UpstreamTokenID: upstreamID,
		Token:           "jwt-" + upstreamID,
		RedeemCode:      redeemCode,
		Color:           model.RockColorBlack,
		Status:          status,
		AssignedOrderNo: orderNo,
		ExpectedUID:     roleID,
		ActualRoleName:  roleName,
		ActualRoleID:    roleID,
		ActualChannel:   "安卓-微信",
		BoundAt:         &now,
	}
	if err := svc.db.Create(&token).Error; err != nil {
		t.Fatalf("创建 Token 失败: %v", err)
	}
	return token
}

func TestSupportBoundTokens_RequiresSearchAndFiltersBound(t *testing.T) {
	db := newRockTestDB(t)
	svc := NewRockService(db, NewRockClient("https://example.com"))
	ctx := context.Background()

	var selfMerchant model.Merchant
	if err := db.Where("code = ?", model.MerchantCodeSelfOperated).First(&selfMerchant).Error; err != nil {
		t.Fatalf("读取自营商户失败: %v", err)
	}
	otherMerchant := model.Merchant{Code: "support-test-other", Name: "测试商户", Status: model.MerchantStatusActive}
	if err := db.Create(&otherMerchant).Error; err != nil {
		t.Fatalf("创建测试商户失败: %v", err)
	}

	createSupportTestOrder(t, svc, selfMerchant.ID, "SUP-ORDER-1", "SUP-CLIENT-1")
	createSupportTestOrder(t, svc, otherMerchant.ID, "SUP-ORDER-2", "SUP-CLIENT-2")

	selfToken1 := createSupportTestToken(t, svc, "SUP-TOKEN-1", "SUP-CODE-1", "SUP-ORDER-1", model.RockStatusBound, "客服测试角色", "10001")
	selfToken2 := createSupportTestToken(t, svc, "SUP-TOKEN-2", "SUP-CODE-2", "SUP-ORDER-1", model.RockStatusBound, "客服第二个角色", "10002")
	otherToken := createSupportTestToken(t, svc, "SUP-TOKEN-3", "SUP-CODE-3", "SUP-ORDER-2", model.RockStatusBound, "其他商户角色", "20001")
	usingToken := createSupportTestToken(t, svc, "SUP-TOKEN-4", "SUP-CODE-4", "SUP-ORDER-1", model.RockStatusUsing, "使用中角色", "10003")

	// 不传搜索条件时必须拒绝，避免一次拉取全量数据。
	if _, _, err := svc.ListSupportBoundTokens(ctx, 1, 20, "   "); err == nil || !strings.Contains(err.Error(), "请输入") {
		t.Fatalf("空搜索条件必须拒绝，实际: %v", err)
	}

	// 输入搜索条件后返回全部命中，且不混入 using。
	allTokens, allTotal, err := svc.ListSupportBoundTokens(ctx, 1, 20, "SUP-")
	if err != nil {
		t.Fatalf("查询失败: %v", err)
	}
	if allTotal != 3 || len(allTokens) != 3 {
		t.Fatalf("应返回 3 条绑定中 Token，实际 total=%d len=%d", allTotal, len(allTokens))
	}
	for _, token := range allTokens {
		if token.Status != model.RockStatusBound {
			t.Fatalf("查询混入非 bound 状态: %+v", token)
		}
		if token.TokenCode == "" {
			t.Fatalf("TokenCode 未填充: %+v", token)
		}
		if token.ID == usingToken.ID {
			t.Fatalf("using Token 不应出现在查询结果中: %+v", token)
		}
	}

	// 按商户单号查询：同一订单下的两条 Token 都应命中。
	byClientOrder, clientTotal, err := svc.ListSupportBoundTokens(ctx, 1, 20, "SUP-CLIENT-1")
	if err != nil {
		t.Fatalf("按商户单号查询失败: %v", err)
	}
	if clientTotal != 2 || len(byClientOrder) != 2 {
		t.Fatalf("按商户单号应查到 2 条，实际 total=%d len=%d", clientTotal, len(byClientOrder))
	}
	for _, token := range byClientOrder {
		if token.ID != selfToken1.ID && token.ID != selfToken2.ID {
			t.Fatalf("按商户单号查询结果不符: %+v", token)
		}
	}

	// 按上游编号查询：只命中其他商户那条。
	byUpstream, upstreamTotal, err := svc.ListSupportBoundTokens(ctx, 1, 20, "SUP-TOKEN-3")
	if err != nil {
		t.Fatalf("按上游编号查询失败: %v", err)
	}
	if upstreamTotal != 1 || len(byUpstream) != 1 || byUpstream[0].ID != otherToken.ID {
		t.Fatalf("按上游编号查询结果不符: total=%d tokens=%+v", upstreamTotal, byUpstream)
	}

	// 按 Token ID 查询。
	byID, idTotal, err := svc.ListSupportBoundTokens(ctx, 1, 20, fmt.Sprint(otherToken.ID))
	if err != nil {
		t.Fatalf("按 Token ID 查询失败: %v", err)
	}
	if idTotal != 1 || len(byID) != 1 || byID[0].ID != otherToken.ID {
		t.Fatalf("按 Token ID 查询结果不符: total=%d tokens=%+v", idTotal, byID)
	}

	// 使用中的 Token 不能被客服查询到。
	usingResult, usingTotal, err := svc.ListSupportBoundTokens(ctx, 1, 20, "SUP-TOKEN-4")
	if err != nil {
		t.Fatalf("查询 using Token 失败: %v", err)
	}
	if usingTotal != 0 || len(usingResult) != 0 {
		t.Fatalf("using Token 不应被查询到，实际 total=%d", usingTotal)
	}
}

func TestSupportTokenStatusLogs_RequiresBound(t *testing.T) {
	db := newRockTestDB(t)
	svc := NewRockService(db, NewRockClient("https://example.com"))
	ctx := context.Background()

	var selfMerchant model.Merchant
	if err := db.Where("code = ?", model.MerchantCodeSelfOperated).First(&selfMerchant).Error; err != nil {
		t.Fatalf("读取自营商户失败: %v", err)
	}
	createSupportTestOrder(t, svc, selfMerchant.ID, "SUP-LOG-ORDER-1", "SUP-LOG-CLIENT-1")

	boundToken := createSupportTestToken(t, svc, "SUP-LOG-TOKEN-1", "SUP-LOG-CODE-1", "SUP-LOG-ORDER-1", model.RockStatusBound, "自营客服角色", "30001")
	usingToken := createSupportTestToken(t, svc, "SUP-LOG-TOKEN-2", "SUP-LOG-CODE-2", "SUP-LOG-ORDER-1", model.RockStatusUsing, "使用中角色", "30002")

	for _, token := range []model.RockToken{boundToken, usingToken} {
		entry := model.RockTokenStatusLog{
			TokenID:         token.ID,
			UpstreamTokenID: token.UpstreamTokenID,
			EventType:       rockTokenEventStatusChanged,
			FromStatus:      model.RockStatusUsing,
			ToStatus:        token.Status,
			Source:          rockTokenSourceBindCheck,
			Reason:          "测试状态变更",
		}
		if err := db.Create(&entry).Error; err != nil {
			t.Fatalf("创建状态日志失败: %v", err)
		}
	}

	logs, err := svc.ListSupportTokenStatusLogs(ctx, boundToken.ID)
	if err != nil {
		t.Fatalf("读取绑定中 Token 历史失败: %v", err)
	}
	if len(logs) != 1 {
		t.Fatalf("绑定中 Token 应读到 1 条历史，实际 %d", len(logs))
	}

	if _, err := svc.ListSupportTokenStatusLogs(ctx, usingToken.ID); err == nil || !strings.Contains(err.Error(), "不存在") {
		t.Fatalf("非绑定中 Token 必须拒绝，实际: %v", err)
	}
	if _, err := svc.ListSupportTokenStatusLogs(ctx, 999999); err == nil || !strings.Contains(err.Error(), "不存在") {
		t.Fatalf("不存在的 Token 必须拒绝，实际: %v", err)
	}
}