package services

import (
	"context"
	"fmt"

	"tyapi-server/internal/application/api/commands"
	"tyapi-server/internal/domains/api/services/processors"
	"tyapi-server/internal/domains/api/services/processors/comb"
	"tyapi-server/internal/domains/api/services/processors/flxg"
	"tyapi-server/internal/domains/api/services/processors/ivyz"
	"tyapi-server/internal/domains/api/services/processors/jrzq"
	"tyapi-server/internal/domains/api/services/processors/qygl"
	"tyapi-server/internal/domains/api/services/processors/yysy"
	"tyapi-server/internal/domains/product/services"
	"tyapi-server/internal/infrastructure/external/tianyancha"
	"tyapi-server/internal/infrastructure/external/westdex"
	"tyapi-server/internal/infrastructure/external/yushan"
	"tyapi-server/internal/shared/interfaces"
)

var (
	ErrDatasource   = processors.ErrDatasource
	ErrSystem       = processors.ErrSystem
	ErrInvalidParam = processors.ErrInvalidParam
	ErrNotFound     = processors.ErrNotFound
)

type ApiRequestService struct {
	// 可注入依赖，如第三方服务、模型等
	westDexService    *westdex.WestDexService
	yushanService     *yushan.YushanService
	tianYanChaService *tianyancha.TianYanChaService
	validator         interfaces.RequestValidator
	processorDeps     *processors.ProcessorDependencies
	combService       *comb.CombService
}

func NewApiRequestService(
	westDexService *westdex.WestDexService,
	yushanService *yushan.YushanService,
	tianYanChaService *tianyancha.TianYanChaService,
	validator interfaces.RequestValidator,
	productManagementService *services.ProductManagementService,
) *ApiRequestService {
	// 创建组合包服务
	combService := comb.NewCombService(productManagementService)

	// 创建处理器依赖容器
	processorDeps := processors.NewProcessorDependencies(westDexService, yushanService, tianYanChaService, validator, combService)

	// 统一注册所有处理器
	registerAllProcessors(combService)

	return &ApiRequestService{
		westDexService:    westDexService,
		yushanService:     yushanService,
		tianYanChaService: tianYanChaService,
		validator:         validator,
		processorDeps:     processorDeps,
		combService:       combService,
	}
}

// registerAllProcessors 统一注册所有处理器
func registerAllProcessors(combService *comb.CombService) {
	// 定义所有处理器映射
	processorMap := map[string]processors.ProcessorFunc{
		// FLXG系列处理器
		"FLXG0V3B": flxg.ProcessFLXG0V3Bequest,
		"FLXG0V4B": flxg.ProcessFLXG0V4BRequest,
		"FLXG162A": flxg.ProcessFLXG162ARequest,
		"FLXG3D56": flxg.ProcessFLXG3D56Request,
		"FLXG54F5": flxg.ProcessFLXG54F5Request,
		"FLXG5876": flxg.ProcessFLXG5876Request,
		"FLXG75FE": flxg.ProcessFLXG75FERequest,
		"FLXG9687": flxg.ProcessFLXG9687Request,
		"FLXG970F": flxg.ProcessFLXG970FRequest,
		"FLXGC9D1": flxg.ProcessFLXGC9D1Request,
		"FLXGCA3D": flxg.ProcessFLXGCA3DRequest,
		"FLXGDEC7": flxg.ProcessFLXGDEC7Request,
		"FLXG8A3F": flxg.ProcessFLXG8A3FRequest,
		"FLXG5B2E": flxg.ProcessFLXG5B2ERequest,
		"FLXG0687": flxg.ProcessFLXG0687Request,
		"FLXGBC21": flxg.ProcessFLXGBC21Request,

		// JRZQ系列处理器
		"JRZQ8203": jrzq.ProcessJRZQ8203Request,
		"JRZQ0A03": jrzq.ProcessJRZQ0A03Request,
		"JRZQ4AA8": jrzq.ProcessJRZQ4AA8Request,
		"JRZQDCBE": jrzq.ProcessJRZQDCBERequest,

		// QYGL系列处理器
		"QYGL8261": qygl.ProcessQYGL8261Request,
		"QYGL2ACD": qygl.ProcessQYGL2ACDRequest,
		"QYGL45BD": qygl.ProcessQYGL45BDRequest,
		"QYGL6F2D": qygl.ProcessQYGL6F2DRequest,
		"QYGL8271": qygl.ProcessQYGL8271Request,
		"QYGLB4C0": qygl.ProcessQYGLB4C0Request,
		"QYGL23T7": qygl.ProcessQYGL23T7Request, // 企业三要素验证

		// YYSY系列处理器
		"YYSYD50F": yysy.ProcessYYSYD50FRequest,
		"YYSY09CD": yysy.ProcessYYSY09CDRequest,
		"YYSY4B21": yysy.ProcessYYSY4B21Request,
		"YYSY4B37": yysy.ProcessYYSY4B37Request,
		"YYSY6F2E": yysy.ProcessYYSY6F2ERequest,
		"YYSYBE08": yysy.ProcessYYSYBE08Request,
		"YYSYF7DB": yysy.ProcessYYSYF7DBRequest,

		// IVYZ系列处理器
		"IVYZ0B03": ivyz.ProcessIVYZ0B03Request,
		"IVYZ2125": ivyz.ProcessIVYZ2125Request,
		"IVYZ385E": ivyz.ProcessIVYZ385ERequest,
		"IVYZ5733": ivyz.ProcessIVYZ5733Request,
		"IVYZ9363": ivyz.ProcessIVYZ9363Request,
		"IVYZ9A2B": ivyz.ProcessIVYZ9A2BRequest,
		"IVYZADEE": ivyz.ProcessIVYZADEERequest,
		"IVYZ7F2A": ivyz.ProcessIVYZ7F2ARequest,
		"IVYZ4E8B": ivyz.ProcessIVYZ4E8BRequest,
		"IVYZ1C9D": ivyz.ProcessIVYZ1C9DRequest,
		"IVYZGZ08": ivyz.ProcessIVYZGZ08Request,

		// COMB系列处理器
		"COMB298Y": comb.ProcessCOMB298YRequest,
		"COMB86PM": comb.ProcessCOMB86PMRequest,
	}

	// 批量注册到组合包服务
	for apiCode, processor := range processorMap {
		combService.RegisterProcessor(apiCode, processor)
	}

	// 同时设置全局处理器映射
	RequestProcessors = processorMap
}

// 注册API处理器 - 现在通过registerAllProcessors统一管理
var RequestProcessors map[string]processors.ProcessorFunc

// PreprocessRequestApi 调用指定的请求处理函数
func (a *ApiRequestService) PreprocessRequestApi(ctx context.Context, apiCode string, params []byte, options *commands.ApiCallOptions) ([]byte, error) {
	if processor, exists := RequestProcessors[apiCode]; exists {
		// 设置Options到依赖容器
		deps := a.processorDeps.WithOptions(options)
		return processor(ctx, params, deps)
	}
	return nil, fmt.Errorf("%s: 未找到处理器: %s", ErrSystem, apiCode)
}