// Package router ...
//
// Description : router ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 2025-02-07 18:19
package router

import (
	"fmt"
	"net/http"
	"strings"

	"git.zhangdeman.cn/zhangdeman/consts"

	apiDocDefine "git.zhangdeman.cn/gateway/api-doc/define"
	"github.com/gin-gonic/gin"
)

// NewServer server实例
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 18:20 2025/2/7
func NewServer(port int, option any) *server {
	if port < 80 {
		panic("port should be greater than 80")
	}
	return &server{
		router: gin.Default(),
		docInstance: NewDoc(nil, []*apiDocDefine.ServerItem{
			{
				Url:         fmt.Sprintf("http://127.0.0.1:%d", port),
				Description: "测试服务器",
			},
		}), // TODO : 配置相关信息
		port: port,
	}
}

type server struct {
	router      *gin.Engine
	port        int
	docInstance *Doc
}

// Start 启动服务
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 18:31 2025/2/7
func (s *server) Start() {
	if err := s.router.Run(fmt.Sprintf(":%d", s.port)); err != nil {
		panic("服务启动监听失败" + err.Error())
	}
}

// Group 注册接口路由
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 19:35 2025/1/27
func (s *server) Group(routerPrefix string, middlewareList []gin.HandlerFunc, cList ...any) {
	g := s.router.Group(routerPrefix)
	g.Use(middlewareList...)
	cParser := controller{}
	for _, c := range cList {
		urlTable := cParser.Parse(c)
		for _, itemUriCfg := range urlTable {
			s.docInstance.Add(routerPrefix, itemUriCfg.FormDataType, itemUriCfg.ResultDataType)
			method := strings.ToUpper(itemUriCfg.RequestMethod)
			switch method {
			case http.MethodGet:
				g.GET(itemUriCfg.Path, RequestHandler(itemUriCfg))
			case http.MethodHead:
				g.HEAD(itemUriCfg.Path, RequestHandler(itemUriCfg))
			case http.MethodPost:
				g.POST(itemUriCfg.Path, RequestHandler(itemUriCfg))
			case http.MethodPut:
				g.PUT(itemUriCfg.Path, RequestHandler(itemUriCfg))
			case http.MethodPatch:
				g.PATCH(itemUriCfg.Path, RequestHandler(itemUriCfg))
			case http.MethodDelete:
				g.DELETE(itemUriCfg.Path, RequestHandler(itemUriCfg))
			case http.MethodOptions:
				g.OPTIONS(itemUriCfg.Path, RequestHandler(itemUriCfg))
			case http.MethodTrace:
				panic(`method Trace is not supported`)
			default:
				panic("method " + itemUriCfg.RequestMethod + " is not support")
			}
		}
	}
	// 注册文档
	s.SwaggerUI()
}

// SwaggerUI ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 21:45 2025/2/15
func (s *server) SwaggerUI() {
	swaggerInstance := NewSwaggerUI(s.docInstance, SwaggerUIThemeKnife4go)
	s.router.GET("/swagger-resources", func(ctx *gin.Context) { // lucky UI获取分组信息
		ctx.Writer.Header().Set("Access-Control-Allow-Origin", "*") // 允许访问所有域
		ctx.JSON(http.StatusOK, []map[string]any{
			{
				"name":           "服务文档",
				"url":            "/swagger-ui/doc/openapi.json",
				"swaggerVersion": consts.SwaggerDocVersion3,
			},
		})
		// ctx.JSON(http.StatusOK, swaggerInstance.docInstance.Data())
	})
	s.router.GET("/swagger-ui/doc/openapi.json", func(ctx *gin.Context) {
		ctx.Writer.Header().Set("Access-Control-Allow-Origin", "*") // 允许访问所有域
		ctx.JSON(http.StatusOK, swaggerInstance.docInstance.Data())
	})
	s.router.GET("/doc/swagger/*any", func(ctx *gin.Context) {
		if ctx.Request.RequestURI == "/doc/swagger/doc.json" {
			// 默认swagger, 通过此接口读取文档数据
			ctx.JSON(http.StatusOK, swaggerInstance.docInstance.Data())
			ctx.Abort()
		}
		if ctx.Request.RequestURI == "/doc/swagger/openapi.json" {
			// knife4go 文档通过此接口读取文档列表
			ctx.JSON(http.StatusOK, []map[string]any{
				{
					"name":           "服务文档",
					"url":            "doc.json",
					"swaggerVersion": consts.SwaggerDocVersion3,
				},
			})
			ctx.Abort()
		}
	}, swaggerInstance.Handler())
}