package server

import (
	"fmt"
	"net/http"

	lib "git.sr.ht/~cco/go-scopes"
	"git.sr.ht/~cco/go-scopes/core"
	"github.com/gin-gonic/gin"
)

type ServerState struct {
	server *http.Server
}

func Start(ctx lib.Context) {
	//gin.SetMode(gin.ReleaseMode)
	lib.GetCfg[*Cfg](ctx).BaseCfg.WithDoneHandler(HandleDone)
	Serve(ctx)
	lib.RunCtx(ctx, core.Listen)
}

func HandleDone(ctx lib.Context) bool {
	lib.GetState[*ServerState](ctx).server.Shutdown(ctx)
	return false
}

func Serve(ctx lib.Context) {
	r := gin.New()
	r.Use(gin.Recovery())
	r.Use(Logger(ctx))
	/*r.GET("/*action", func(c *gin.Context) {
		c.String(http.StatusOK, "Hello World")
	})*/
	cfg := ctx.Config().(*Cfg)
	for _, rcfg := range cfg.routes {
		setRoute(ctx, rcfg, r)
	}
	srv := &http.Server{
		Addr:    ":8123",
		Handler: r,
	}
	ctx.WithState(&ServerState{
		server: srv,
	})
	lib.RunCtx(ctx, func(ctx lib.Context) {
		srv.ListenAndServe()
	})
}

func setRoute(ctx lib.Context, rcfg routeCfg, r *gin.Engine) {
	switch spec := rcfg.spec.(type) {
	case *fsSpec:
		r.Static(rcfg.path, spec.docRoot)
	case *rcellSpec:
		r.Match(rcfg.methods, rcfg.path, func(c *gin.Context) {
			RCell(ctx, spec, c)
		})
	}
}

// RCell (request / response handler cell) implementation

func RCell(ctx lib.Context, spec *rcellSpec, gc *gin.Context) {
	fmt.Println("*** RCell called")
}