package router

import (
	"os"

	"github.com/gin-gonic/gin"
	"github.com/gin-gonic/gin/binding"
	"github.com/go-playground/validator/v10"
	"github.com/iliadenisov/galaxy/internal/controller"
	"github.com/iliadenisov/galaxy/internal/router/handler"
)

func initConfig() func(*controller.Param) {
	return func(p *controller.Param) {
		// TODO: initialize base controller settings
		p.StoragePath = os.Getenv("STORAGE_PATH")
	}
}

type Router struct {
	r        *gin.Engine
	executor handler.CommandExecutor
}

func (r Router) Run() error {
	return r.r.Run()
}

func NewRouter() Router {
	return NewRouterExecutor(handler.ExecuteCommand)
}

func NewRouterExecutor(executor handler.CommandExecutor) Router {
	return Router{r: setupRouter(initConfig(), executor)}
}

func setupRouter(config controller.Config, executor handler.CommandExecutor) *gin.Engine {
	gin.SetMode(gin.ReleaseMode)
	r := gin.New()
	r.Use(gin.Recovery())

	if v, ok := binding.Validator.Engine().(*validator.Validate); ok {
		v.RegisterValidation("notblank", notBlankStringValidator)
	}

	groupV1 := r.Group("/api/v1")

	groupV1.GET("/status", func(ctx *gin.Context) { handler.StatusHandler(ctx, config) })
	groupV1.POST("/init", func(ctx *gin.Context) { handler.InitHandler(ctx, config) })
	groupV1.PUT("/command", LimitMiddleware(1), func(ctx *gin.Context) { handler.CommandHandler(ctx, config, executor) })

	return r
}