package router

import (
	"net/http"
	"net/url"
	"strings"

	"github.com/labstack/echo/v4"
	"github.com/labstack/echo/v4/middleware"
	echoSwagger "github.com/swaggo/echo-swagger"
	"gitlab.unjx.de/flohoss/cafe-plaetschwiesle/docs"
	"gitlab.unjx.de/flohoss/cafe-plaetschwiesle/internal/controller"
	"gitlab.unjx.de/flohoss/cafe-plaetschwiesle/internal/env"
	"go.uber.org/zap"
)

func InitRouter() *echo.Echo {
	e := echo.New()

	e.HideBanner = true
	e.HidePort = true

	e.Use(middleware.Recover())
	e.Use(middleware.GzipWithConfig(middleware.GzipConfig{
		Skipper: func(c echo.Context) bool {
			return strings.Contains(c.Request().URL.Path, "swagger")
		},
	}))
	e.Pre(middleware.RemoveTrailingSlash())

	e.Validator = &CustomValidator{Validator: newValidator()}

	return e
}

func SetupRoutes(e *echo.Echo, ctrl *controller.Controller, env *env.Config) {
	api := e.Group("/api")
	{
		tableGroup := api.Group("/tables")
		{
			tableGroup.GET("", ctrl.GetTables)
			tableGroup.POST("", ctrl.CreateTable)
			tableGroup.DELETE("", ctrl.DeleteTable)
		}
		orderGroup := api.Group("/orders")
		{
			orderGroup.GET("", ctrl.GetOrders)
			orderGroup.POST("", ctrl.CreateOrder)
			orderGroup.DELETE("", ctrl.DeleteOrder)
			orderGroup.PUT("", ctrl.UpdateOrder)
			orderGroup.GET("/sse", echo.WrapHandler(http.HandlerFunc(ctrl.SSE.ServeHTTP)))
			orderItemGroup := orderGroup.Group("/items")
			{
				orderItemGroup.GET("", ctrl.GetOrderItems)
				orderItemGroup.POST("", ctrl.CreateOrderItem)
				orderItemGroup.PUT("", ctrl.UpdateOrderItem)
				orderItemGroup.DELETE("/:id", ctrl.DeleteOrderItem)
			}
		}
		billGroup := api.Group("/bills")
		{
			billGroup.GET("", ctrl.GetBills)
			billGroup.POST("", ctrl.CreateBill)
			billGroup.DELETE("/:id", ctrl.DeleteBill)
			billItemGroup := billGroup.Group("/items")
			{
				billItemGroup.GET("", ctrl.GetBillItems)
			}
		}
		userGroup := api.Group("/users")
		{
			userGroup.GET("/:username", ctrl.GetUser)
			userGroup.PUT("", ctrl.UpdateUser)
		}
		health := api.Group("/health", authHeader)
		{
			health.GET("", func(ctx echo.Context) error {
				return ctx.String(http.StatusOK, env.Version)
			})
		}

		if env.SwaggerHost != "" {
			docs.SwaggerInfo.Title = "Café Plätschwiesle"
			docs.SwaggerInfo.Description = "This is the backend of Café Plätschwiesle"
			docs.SwaggerInfo.Version = env.Version
			docs.SwaggerInfo.BasePath = "/api"
			parsed, _ := url.Parse(env.SwaggerHost)
			docs.SwaggerInfo.Host = parsed.Host

			api.GET("/swagger/*", echoSwagger.WrapHandler)
			zap.L().Info("swagger running", zap.String("url", env.SwaggerHost+"/api/swagger/index.html"))
		}
	}
}