// 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"

	"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, nil), // 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`)
			}
		}
	}
	// 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, SwaggerUIThemeDefault)
	// 默认swagger
	s.router.GET("/swagger/*any", func(ctx *gin.Context) {
		if ctx.Request.RequestURI == "/swagger/doc.json" {
			ctx.JSON(http.StatusOK, swaggerInstance.docInstance.Data())
			ctx.Abort()
		}
	}, swaggerInstance.HandleSwaggerUI())
}