// Package handler 管理后台Handler实现
package handler

import (
	"context"
	"fmt"

	"market-data-service/api"
	"market-data-service/internal/service"
)

// AdminHandlerImpl 管理后台Handler实现
type AdminHandlerImpl struct {
	configService  service.ConfigService
	adapterService service.AdapterService
	testService    service.TestService
}

// NewAdminHandlerImpl 创建管理后台Handler
func NewAdminHandlerImpl(
	configService service.ConfigService,
	adapterService service.AdapterService,
	testService service.TestService,
) *AdminHandlerImpl {
	return &AdminHandlerImpl{
		configService:  configService,
		adapterService: adapterService,
		testService:    testService,
	}
}

// Ensure interfaces are implemented
var _ api.ConfigHandler = (*AdminHandlerImpl)(nil)
var _ api.AdapterHandler = (*AdminHandlerImpl)(nil)
var _ api.TestHandler = (*AdminHandlerImpl)(nil)

// ============================================
// 配置管理接口实现
// ============================================

// GetConfigList 获取配置列表
func (h *AdminHandlerImpl) GetConfigList(ctx context.Context, req *api.ConfigListRequest) (*api.Response, error) {
	data, err := h.configService.GetConfigList(ctx, req)
	if err != nil {
		return nil, err
	}

	return &api.Response{
		Code:    0,
		Message: "success",
		Data:    data,
	}, nil
}

// UpdateConfig 更新配置
func (h *AdminHandlerImpl) UpdateConfig(ctx context.Context, req *api.ConfigUpdateRequest) (*api.Response, error) {
	data, err := h.configService.UpdateConfig(ctx, req)
	if err != nil {
		return nil, err
	}

	return &api.Response{
		Code:    0,
		Message: "success",
		Data:    data,
	}, nil
}

// ReloadConfig 热加载配置
func (h *AdminHandlerImpl) ReloadConfig(ctx context.Context, req *api.ReloadRequest) (*api.Response, error) {
	data, err := h.configService.ReloadConfig(ctx, req)
	if err != nil {
		return nil, err
	}

	return &api.Response{
		Code:    0,
		Message: "success",
		Data:    data,
	}, nil
}

// GetSystemStatus 获取系统状态
func (h *AdminHandlerImpl) GetSystemStatus(ctx context.Context) (*api.Response, error) {
	data, err := h.configService.GetSystemStatus(ctx)
	if err != nil {
		return nil, err
	}

	return &api.Response{
		Code:    0,
		Message: "success",
		Data:    data,
	}, nil
}

// ============================================
// 适配器管理接口实现
// ============================================

// GetAdapterList 获取适配器列表
func (h *AdminHandlerImpl) GetAdapterList(ctx context.Context) (*api.Response, error) {
	data, err := h.adapterService.GetAdapterList(ctx)
	if err != nil {
		return nil, err
	}

	return &api.Response{
		Code:    0,
		Message: "success",
		Data:    data,
	}, nil
}

// ToggleAdapter 启用/禁用适配器
func (h *AdminHandlerImpl) ToggleAdapter(ctx context.Context, req *api.AdapterToggleRequest) (*api.Response, error) {
	if err := h.adapterService.ToggleAdapter(ctx, req); err != nil {
		return &api.Response{
			Code:    500,
			Message: err.Error(),
		}, nil
	}

	return &api.Response{
		Code:    0,
		Message: "success",
	}, nil
}

// UpdateAdapterConfig 更新适配器配置
func (h *AdminHandlerImpl) UpdateAdapterConfig(ctx context.Context, req *api.AdapterConfigUpdateRequest) (*api.Response, error) {
	if err := h.adapterService.UpdateAdapterConfig(ctx, req); err != nil {
		return &api.Response{
			Code:    500,
			Message: err.Error(),
		}, nil
	}

	return &api.Response{
		Code:    0,
		Message: "success",
	}, nil
}

// ============================================
// 测试管理接口实现
// ============================================

// GetAPITestList 获取API测试列表
func (h *AdminHandlerImpl) GetAPITestList(ctx context.Context) (*api.Response, error) {
	data, err := h.testService.GetAPITestList(ctx)
	if err != nil {
		return nil, err
	}

	return &api.Response{
		Code:    0,
		Message: "success",
		Data:    data,
	}, nil
}

// RunAPITest 执行API测试
func (h *AdminHandlerImpl) RunAPITest(ctx context.Context, req *api.APITestRequest) (*api.Response, error) {
	// 获取基础URL
	baseURL := "http://localhost:8080"
	if cfg := h.configService.GetCurrentConfig(); cfg != nil && cfg.Server.Port != 0 {
		baseURL = fmt.Sprintf("http://localhost:%d", cfg.Server.Port)
	}

	data, err := h.testService.RunAPITest(ctx, baseURL, req)
	if err != nil {
		return nil, err
	}

	return &api.Response{
		Code:    0,
		Message: "success",
		Data:    data,
	}, nil
}

// GetWSTestList 获取WebSocket测试列表
func (h *AdminHandlerImpl) GetWSTestList(ctx context.Context) (*api.Response, error) {
	data, err := h.testService.GetWSTestList(ctx)
	if err != nil {
		return nil, err
	}

	// 设置WebSocket URL
	wsURL := "ws://localhost:8080/v1/stream"
	if cfg := h.configService.GetCurrentConfig(); cfg != nil && cfg.Server.Port != 0 {
		wsURL = "ws://localhost:" + string(rune(cfg.Server.Port)) + "/v1/stream"
	}
	data.WSURL = wsURL

	return &api.Response{
		Code:    0,
		Message: "success",
		Data:    data,
	}, nil
}

// RunWSTest 执行WebSocket测试
func (h *AdminHandlerImpl) RunWSTest(ctx context.Context, req *api.WSTestRequest) (*api.Response, error) {
	// 获取WebSocket URL
	wsURL := "ws://localhost:8080/v1/stream"
	if cfg := h.configService.GetCurrentConfig(); cfg != nil && cfg.Server.Port != 0 {
		wsURL = fmt.Sprintf("ws://localhost:%d/v1/stream", cfg.Server.Port)
	}

	data, err := h.testService.RunWSTest(ctx, wsURL, req)
	if err != nil {
		return nil, err
	}

	return &api.Response{
		Code:    0,
		Message: "success",
		Data:    data,
	}, nil
}

// GetTestHistory 获取测试历史
func (h *AdminHandlerImpl) GetTestHistory(ctx context.Context, req *api.TestHistoryRequest) (*api.Response, error) {
	data, err := h.testService.GetTestHistory(ctx, req)
	if err != nil {
		return nil, err
	}

	return &api.Response{
		Code:    0,
		Message: "success",
		Data:    data,
	}, nil
}