package main

import (
	"context"
	"net/http"

	"git.tijl.dev/tijl/tijl.dev/internal/assets"
	"git.tijl.dev/tijl/tijl.dev/internal/config"
	"git.tijl.dev/tijl/tijl.dev/internal/db"
	"git.tijl.dev/tijl/tijl.dev/internal/i18n"
	"git.tijl.dev/tijl/tijl.dev/internal/oidc"
	"git.tijl.dev/tijl/tijl.dev/internal/sessions"
	"git.tijl.dev/tijl/tijl.dev/modules/logger"
	"git.tijl.dev/tijl/tijl.dev/static"
	"git.tijl.dev/tijl/tijl.dev/views"
	"github.com/gofiber/contrib/fiberzerolog"
	"github.com/gofiber/fiber/v2"
	"github.com/gofiber/fiber/v2/middleware/filesystem"
	"github.com/gofiber/template/html/v2"
)

func main() {
	// Load initial context
	ctx := context.Background()

	// Load config
	config.Load()

	// Load database
	db.Load()

	// Setup oidc
	oidc.Load(ctx)

	// Load assets
	assets.Load()
	// Load translations
	i18n.Load()

	// Init templating engine
	engine := html.NewFileSystem(http.FS(views.Embed), ".html")
	engine.AddFunc("icon", assets.Svg)

	// Init fiber
	app := fiber.New(fiber.Config{
		Views:                 engine,
		DisableStartupMessage: true,
	})
	app.Use(fiberzerolog.New(fiberzerolog.Config{
		Logger: &log.Logger,
	}))

	/*
		Routes
	*/
	app.Get("/", func(c *fiber.Ctx) error {
		data := getCommon(c)
		data["Title"] = i18n.Translate(c, "home")
		return c.Render("index", data, "layouts/base")
	})
	app.Get("/blog", func(c *fiber.Ctx) error {
		data := getCommon(c)
		data["Title"] = i18n.Translate(c, "blog")
		return c.Render("blog", data, "layouts/base")
	})
	app.Get("/projects", func(c *fiber.Ctx) error {
		data := getCommon(c)
		data["Title"] = i18n.Translate(c, "projects")
		return c.Render("projects", data, "layouts/base")
	})
	app.Get("/about", func(c *fiber.Ctx) error {
		data := getCommon(c)
		data["Title"] = i18n.Translate(c, "about")
		return c.Render("about", data, "layouts/base")
	})
	app.Get("/settings", func(c *fiber.Ctx) error {
		lang := c.Query("lang")
		redirectURL := c.Query("redirect")
		if lang != "" {
			c.Cookie(&fiber.Cookie{
				Name:   "language",
				Value:  lang,
				Secure: false,
			})
		}
		if redirectURL != "" {
			return c.Redirect(redirectURL)
		}
		return nil
	})

	app.Get("/login", oidc.HandleRedirect)
	app.Get(config.Config.Oidc.CallbackUrl, oidc.HandleCallback)

	// Static routes
	app.Use("/static", filesystem.New(filesystem.Config{
		Root: http.FS(static.Embed),
	}))

	// 404
	app.Use(func(c *fiber.Ctx) error {
		data := getCommon(c)
		return c.Render("404", data, "layouts/base")
	})

	// Listen web server
	if err := app.Listen(":3000"); err != nil {
		log.Fatal().Err(err).Msg("Fiber app error")
	}
}

// Common functions for in templating
func getCommon(c *fiber.Ctx) fiber.Map {
	_, err := sessions.GetSession(c)
	signedIn := false
	if err == nil {
		signedIn = true
	}
	return fiber.Map{
		"SignedIn": signedIn,
		"Path":     c.Path(),
		"Language": i18n.GetLanguage(c),
		"T":        i18n.GetTranslations(i18n.GetLanguage(c)),
	}
}