package main

import (
	"fmt"
	"github.com/gin-gonic/gin"
	"github.com/gisle/stufflog/api"
	"github.com/gisle/stufflog/config"
	"github.com/gisle/stufflog/database"
	"github.com/gisle/stufflog/services"
	"github.com/urfave/cli"
	"log"
	"net/http"
	"os"
	"path"
)

func main() {
	configPath := "/etc/stufflog.yaml"
	uiRoot := ""

	app := cli.NewApp()
	app.Name = "stufflog"
	app.Usage = "Prioritize stuff, do stuff, log stuff"

	app.Flags = []cli.Flag{
		cli.StringFlag{
			Name:        "conf, c",
			Value:       configPath,
			Usage:       "Configuration file locations",
			Destination: &configPath,
		},
		cli.StringFlag{
			Name:        "ui",
			Value:       uiRoot,
			Usage:       "UI Root (blank for no UI)",
			Destination: &uiRoot,
		},
	}

	app.Action = func(c *cli.Context) error {
		// Load configuration
		conf, err := config.Load(configPath)
		if err != nil {
			return fmt.Errorf("failed to load config: %s", err)
		}

		// Load database
		db, err := database.Init(conf.Database)
		if err != nil {
			return fmt.Errorf("failed to init database: %s", err)
		}

		// Setup gin
		if !conf.Server.Debug {
			gin.SetMode(gin.ReleaseMode)
		}
		router := gin.New()

		// Setup services
		auth := services.NewAuthService(db)
		scoring := services.NewScoringService(db)

		// Setup APIs
		api.User(router.Group("/api/user"), auth)
		api.Activity(router.Group("/api/activity"), db, auth)
		api.Period(router.Group("/api/period"), db, scoring, auth)

		// Setup UI
		if uiRoot != "" {
			router.NoRoute(gin.WrapH(http.FileServer(http.Dir(uiRoot))))
			router.GET("/activities/", func(c *gin.Context) {
				http.ServeFile(c.Writer, c.Request, path.Join(uiRoot, "index.html"))
			})
		}

		// Start listening
		log.Println("Starting server on", conf.Server.Listen)
		return router.Run(conf.Server.Listen)

		// TODO: Handle interrupts because docker and sigint aren't the best of friends.
	}

	err := app.Run(os.Args)
	if err != nil {
		log.Fatal(err)
	}
}