package component_report

import (
	"context"
	"net/http"

	"github.com/gin-gonic/gin"
	"go.uber.org/zap"

	finance_entities "tyapi-server/internal/domains/finance/entities"
	financeRepositories "tyapi-server/internal/domains/finance/repositories"
	"tyapi-server/internal/domains/product/repositories"
	"tyapi-server/internal/shared/payment"
)

// ComponentReportHandler 组件报告处理器
type ComponentReportHandlerFixed struct {
	exampleJSONGenerator *ExampleJSONGenerator
	zipGenerator         *ZipGenerator
	productRepo          repositories.ProductRepository
	componentReportRepo  repositories.ComponentReportRepository
	purchaseOrderRepo    financeRepositories.PurchaseOrderRepository
	rechargeRecordRepo   interface {
		Create(ctx context.Context, record finance_entities.RechargeRecord) (finance_entities.RechargeRecord, error)
	}
	alipayOrderRepo interface {
		Create(ctx context.Context, order finance_entities.AlipayOrder) (finance_entities.AlipayOrder, error)
		GetByOutTradeNo(ctx context.Context, outTradeNo string) (*finance_entities.AlipayOrder, error)
		Update(ctx context.Context, order finance_entities.AlipayOrder) error
	}
	wechatOrderRepo interface {
		Create(ctx context.Context, order finance_entities.WechatOrder) (finance_entities.WechatOrder, error)
		GetByOutTradeNo(ctx context.Context, outTradeNo string) (*finance_entities.WechatOrder, error)
		Update(ctx context.Context, order finance_entities.WechatOrder) error
	}
	aliPayService    *payment.AliPayService
	wechatPayService *payment.WechatPayService
	logger           *zap.Logger
}

// NewComponentReportHandlerFixed 创建组件报告处理器（修复版）
func NewComponentReportHandlerFixed(
	productRepo repositories.ProductRepository,
	docRepo repositories.ProductDocumentationRepository,
	apiConfigRepo repositories.ProductApiConfigRepository,
	componentReportRepo repositories.ComponentReportRepository,
	purchaseOrderRepo financeRepositories.PurchaseOrderRepository,
	rechargeRecordRepo interface {
		Create(ctx context.Context, record finance_entities.RechargeRecord) (finance_entities.RechargeRecord, error)
	},
	alipayOrderRepo interface {
		Create(ctx context.Context, order finance_entities.AlipayOrder) (finance_entities.AlipayOrder, error)
		GetByOutTradeNo(ctx context.Context, outTradeNo string) (*finance_entities.AlipayOrder, error)
		Update(ctx context.Context, order finance_entities.AlipayOrder) error
	},
	wechatOrderRepo interface {
		Create(ctx context.Context, order finance_entities.WechatOrder) (finance_entities.WechatOrder, error)
		GetByOutTradeNo(ctx context.Context, outTradeNo string) (*finance_entities.WechatOrder, error)
		Update(ctx context.Context, order finance_entities.WechatOrder) error
	},
	aliPayService *payment.AliPayService,
	wechatPayService *payment.WechatPayService,
	logger *zap.Logger,
) *ComponentReportHandlerFixed {
	exampleJSONGenerator := NewExampleJSONGenerator(productRepo, docRepo, apiConfigRepo, logger)
	zipGenerator := NewZipGenerator(logger)

	return &ComponentReportHandlerFixed{
		exampleJSONGenerator: exampleJSONGenerator,
		zipGenerator:         zipGenerator,
		productRepo:          productRepo,
		componentReportRepo:  componentReportRepo,
		purchaseOrderRepo:    purchaseOrderRepo,
		rechargeRecordRepo:   rechargeRecordRepo,
		alipayOrderRepo:      alipayOrderRepo,
		wechatOrderRepo:      wechatOrderRepo,
		aliPayService:        aliPayService,
		wechatPayService:     wechatPayService,
		logger:               logger,
	}
}

// CheckPaymentStatusFixed 检查支付状态（修复版）
func (h *ComponentReportHandlerFixed) CheckPaymentStatusFixed(c *gin.Context) {
	userID := c.GetString("user_id")
	if userID == "" {
		c.JSON(http.StatusUnauthorized, gin.H{
			"code":    401,
			"message": "用户未登录",
		})
		return
	}

	orderID := c.Param("orderId")
	if orderID == "" {
		c.JSON(http.StatusBadRequest, gin.H{
			"code":    400,
			"message": "订单ID不能为空",
		})
		return
	}

	// 根据订单ID查询下载记录
	download, err := h.componentReportRepo.GetDownloadByID(c.Request.Context(), orderID)
	if err != nil {
		h.logger.Error("查询下载记录失败", zap.Error(err), zap.String("order_id", orderID))
		c.JSON(http.StatusNotFound, gin.H{
			"code":    404,
			"message": "订单不存在",
		})
		return
	}

	// 验证订单是否属于当前用户
	if download.UserID != userID {
		c.JSON(http.StatusForbidden, gin.H{
			"code":    403,
			"message": "无权访问此订单",
		})
		return
	}

	// 使用购买订单状态来判断支付状态
	var paymentStatus string
	var canDownload bool

	// 查询购买订单状态
	purchaseOrder, err := h.purchaseOrderRepo.GetByID(c.Request.Context(), *download.OrderID)
	if err != nil {
		h.logger.Error("查询购买订单失败", zap.Error(err), zap.String("OrderID", *download.OrderID))
		paymentStatus = "unknown"
	} else {
		// 根据购买订单状态设置支付状态
		switch purchaseOrder.Status {
		case finance_entities.PurchaseOrderStatusPaid:
			paymentStatus = "success"
			canDownload = true
		case finance_entities.PurchaseOrderStatusCreated:
			paymentStatus = "pending"
			canDownload = false
		case finance_entities.PurchaseOrderStatusCancelled:
			paymentStatus = "cancelled"
			canDownload = false
		case finance_entities.PurchaseOrderStatusFailed:
			paymentStatus = "failed"
			canDownload = false
		default:
			paymentStatus = "unknown"
			canDownload = false
		}
	}

	// 检查是否过期
	if download.IsExpired() {
		canDownload = false
	}

	c.JSON(http.StatusOK, CheckPaymentStatusResponse{
		OrderID:       download.ID,
		PaymentStatus: paymentStatus,
		CanDownload:   canDownload,
	})
}