package main

import (
	"context"
	"errors"
	"log"
	"net/http"
	"os"
	"personalwebsite/routewde"
	"personalwebsite/webfilesystem"
	"personalwebsite/websiteapp"
	"personalwebsite/websiteapp/blogviewer"
	"personalwebsite/websiteapp/finder"
	imgviewer "personalwebsite/websiteapp/img-viewer"
	"personalwebsite/websiteapp/personalprops"

	"github.com/gin-gonic/gin"
	"github.com/joho/godotenv"
	"go.mongodb.org/mongo-driver/mongo"
	"go.mongodb.org/mongo-driver/mongo/options"
)

func main() {

	if err := godotenv.Load(); err != nil {
		println("No .env file found")
	}

	mongoConnect, err := FindEnv("MONGO_CONNECT")
	if err != nil {
		panic(err.Error())
	}

	dBName, err := FindEnv("DATABASE")
	if err != nil {
		panic(err.Error())
	}

	webFsCollection, err := FindEnv("COLLECTION_WEBFS")
	if err != nil {
		panic(err.Error())
	}

	clientOptions := options.Client().ApplyURI(mongoConnect)
	client, err := mongo.Connect(context.TODO(), clientOptions)
	if err != nil {
		log.Fatal(err)
	}
	err = client.Ping(context.TODO(), nil)
	if err != nil {
		log.Fatal(err)
	}

	router := gin.New()
	router.LoadHTMLGlob("templates/**/*")
	router.Static("/res", "resources")

	router.GET("/", func(ctx *gin.Context) {
		ctx.HTML(http.StatusOK, "index.tmpl", gin.H{})
	})

	webfs := webfilesystem.NewWebFileSystem(client, dBName, webFsCollection)
	persPropsApp := personalprops.NewPersPropsApp()
	finderApp := finder.FinerApplication{}
	imgViewerApp := imgviewer.NewImgViewerApp()
	blogViewerApp := blogviewer.NewBlogViewerApp()
	appsStorage := websiteapp.ApplicationsStorage{
		Apps: map[string]websiteapp.WebDEApplication{},
	}
	appsStorage.Apps["personal-properties"] = &persPropsApp
	appsStorage.Apps["finder"] = &finderApp
	appsStorage.Apps["img-viewer"] = &imgViewerApp
	appsStorage.Apps["blog-viewer"] = blogViewerApp
	system := router.Group("system")
	{

		wde := system.Group("wde")
		{
			routewde.Route(wde)
		}
		apps := system.Group("applications")
		{
			apps.GET("/:appid/:method", func(ctx *gin.Context) {
				appId := ctx.Param("appid")
				method := ctx.Param("method")

				app, isExist := appsStorage.Apps[appId]
				if !isExist {
					ctx.Status(http.StatusNoContent)
					return
				}
				switch method {
				case "getmanifest":
					ctx.JSON(http.StatusOK, app.GetManifest())
				case "app.js":
					ctx.File("resources/sys/" + appId + "/" + appId + ".js")
				case "app.css":
					ctx.File("resources/sys/" + appId + "/" + appId + ".css")
				default:
					ctx.Status(http.StatusBadRequest)
				}
			})
		}

		websiteapp.Route(apps.Group("/storage"), &appsStorage)
	}

	fs := router.Group("fs")
	{
		fs.GET("list", func(ctx *gin.Context) {
			path := ctx.Query("path")
			if path == "" {
				ctx.JSON(http.StatusBadRequest, "TODO") //TODO json error struct
				return
			}

			files, err := webfs.List(path)
			if err != nil {
				ctx.JSON(http.StatusInternalServerError, "TODO") //TODO json error struct
				return
			}

			ctx.JSON(http.StatusOK, &files)
		})

		fs.GET("read", func(ctx *gin.Context) {
			path := ctx.Query("path")
			if path == "" {
				ctx.JSON(http.StatusBadRequest, "TODO") //TODO json error struct
				return
			}

			file, err := webfs.Read(path)
			if err != nil {
				ctx.JSON(http.StatusInternalServerError, "TODO") //TODO json error struct
				return
			}

			ctx.JSON(http.StatusOK, &file)
		})
	}
	app := router.Group("application")
	{
		persPropApp := app.Group("personal-properties")
		{
			persPropApp.GET("render", func(ctx *gin.Context) {
				isMobileParam := ctx.Query("isMobile")
				isMobile := isMobileParam == "true"
				if isMobile {
					ctx.HTML(http.StatusOK, "personal-properties/mobile-app.tmpl", persPropsApp.Render())
				} else {
					ctx.HTML(http.StatusOK, "personal-properties/app.tmpl", persPropsApp.Render())
				}
			})
		}
		finderAppRoute := app.Group("finder")
		{
			finderAppRoute.GET("render", func(ctx *gin.Context) {
				isMobileParam := ctx.Query("isMobile")
				isMobile := isMobileParam == "true"
				if isMobile {
					ctx.HTML(http.StatusOK, "finder/mobile-app.tmpl", finderApp.Render(isMobile))
				} else {
					ctx.HTML(http.StatusOK, "finder/app.tmpl", finderApp.Render(isMobile))
				}

			})
			finderAppRoute.GET("renderMobileDesktop", func(ctx *gin.Context) {
				ctx.HTML(http.StatusOK, "finder/mobile-desktop.tmpl", gin.H{})
			})
		}
		imgViewerRoute := app.Group("img-viewer")
		{
			imgViewerRoute.GET("render", func(ctx *gin.Context) {
				isMobileParam := ctx.Query("isMobile")
				isMobile := isMobileParam == "true"
				if isMobile {
					ctx.HTML(http.StatusOK, "img-viewer/mobile-app.tmpl", imgViewerApp.Render(isMobile))
				} else {
					ctx.HTML(http.StatusOK, "img-viewer/app.tmpl", imgViewerApp.Render(isMobile))
				}

			})
		}
		blogViewerRoute := app.Group("blog-viewer")
		{
			blogViewerRoute.GET("render", func(ctx *gin.Context) {
				isMobileParam := ctx.Query("isMobile")
				isMobile := isMobileParam == "true"
				if isMobile {
					ctx.HTML(http.StatusOK, "blog-viewer/mobile-app.tmpl", blogViewerApp.Render(isMobile))
				} else {
					ctx.HTML(http.StatusOK, "blog-viewer/app.tmpl", blogViewerApp.Render(isMobile))
				}

			})
		}
	}
	router.GET("/test", func(ctx *gin.Context) {
		ctx.HTML(200, "kek/kek.tmpl", gin.H{})
	})

	if err := router.Run(":8080"); err != nil {
		log.Panicf("error: %s", err)
	}
}

func index(c *gin.Context) {
	c.HTML(http.StatusOK, "base.html", nil)
}

func FindEnv(parameter string) (string, error) {
	path, exists := os.LookupEnv(parameter)

	if exists {
		println("[ENV] Requsted " + parameter + " = " + path) //FIXME Only in Debug log
		return path, nil
	} else {
		panic("[ENV] Requsted " + parameter + " not found")
		return "", errors.New("env parameter not found")
	}
}