package main

import (
	"encoding/json"
	"html/template"

	"git.phc.dm.unipi.it/phc/website/articles"
	"git.phc.dm.unipi.it/phc/website/config"
	"git.phc.dm.unipi.it/phc/website/templates"
	"git.phc.dm.unipi.it/phc/website/util"
	"github.com/gofiber/fiber/v2"
	"github.com/gofiber/fiber/v2/middleware/logger"
	"github.com/gofiber/fiber/v2/middleware/recover"
	"github.com/gofiber/redirect/v2"
)

func main() {
	config.Load()

	app := fiber.New()

	app.Use(logger.New())
	app.Use(recover.New())
	app.Use(redirect.New(redirect.Config{
		Rules: map[string]string{
			"/*/": "/$1",
		},
	}))

	// Static content
	app.Static("/public/", "./public")

	// Templates & Renderer
	renderer := templates.NewRenderer(
		"./views/",
		"./views/base.html",
		"./views/partials/*.html",
	)

	newsArticlesRegistry := articles.NewRegistry("./news")

	// Routes

	actuallyStaticRoutes := map[string]string{
		"/":       "home.html",
		"/link":   "link.html",
		"/login":  "login.html",
		"/storia": "storia.html",
	}

	for route, view := range actuallyStaticRoutes {
		localView := view
		app.Get(route, func(c *fiber.Ctx) error {
			c.Type("html")
			return renderer.Render(c, localView, util.H{})
		})
	}

	app.Get("/api/utenti", func(c *fiber.Ctx) error {
		utenti, err := GetUtenti()
		if err != nil {
			return err
		}

		c.Type("json")
		return json.NewEncoder(c).Encode(utenti)
	})

	app.Get("/utenti", func(c *fiber.Ctx) error {
		utenti, err := GetUtenti()
		if err != nil {
			return err
		}

		c.Type("html")
		return renderer.Render(c, "utenti.html", util.H{
			"Utenti": utenti,
		})
	})

	app.Get("/appunti", func(c *fiber.Ctx) error {
		searchQuery := c.Query("q", "")

		c.Type("html")
		return renderer.Render(c, "appunti.html", util.H{
			"Query": searchQuery,
		})
	})

	app.Get("/news", func(c *fiber.Ctx) error {
		articles, err := newsArticlesRegistry.GetArticles()
		if err != nil {
			return err
		}

		c.Type("html")
		return renderer.Render(c, "news.html", util.H{
			"Articles": articles,
		})
	})

	app.Get("/news/:article", func(c *fiber.Ctx) error {
		articleID := c.Params("article")

		article, err := newsArticlesRegistry.GetArticle(articleID)
		if err != nil {
			return err
		}

		html, err := article.Render()
		if err != nil {
			return err
		}

		c.Type("html")
		return renderer.Render(c, "news-base.html", util.H{
			"Article":     article,
			"ContentHTML": template.HTML(html),
		})
	})

	app.Listen(config.Host)
}