package main

import (
	"encoding/json"
	"fmt"
	"os"
	"database/sql"
	_ "github.com/lib/pq"
)

const VERSION = "0.1"

type Config struct {
	Sql struct {
		Host     string
		Dbname   string
		Username string
		Password string
	}
}

var (
	config Config
	db *sql.DB
)

func loadConfig() {
	file, err := os.Open("config/local.json")
	if err != nil {
		fmt.Println("Error: cannot open config file")
		os.Exit(-1)
	}
	decoder := json.NewDecoder(file)
	decoder.Decode(&config)
}

func dbConnect() {
    var err error
	db, err = sql.Open("postgres", fmt.Sprintf("postgres://%s:%s@%s/%s?sslmode=require", config.Sql.Username, config.Sql.Password, config.Sql.Host, config.Sql.Dbname))

	if err != nil {
		fmt.Println("DB ERROR: ", err)
	}
	err = db.Ping()
	if err != nil {
		fmt.Println("DB Error on Ping(): ", err)
		os.Exit(-1)
	}
}

func initTemplates() {
	files, _ := filepath.Glob("templates/pages/*.html")
	re := regexp.MustCompile("templates/pages/(.*).html")
	fmt.Println("Loading Templates:")
	for _, t := range files {
		name := re.FindStringSubmatch(t)
		fmt.Println("  ", name[1])
		var err error
		templates[name[1]], err = template.ParseFiles("templates/layout.html", t)
		if err != nil {
			fmt.Println("Template load error: ", err)
			os.Exit(-1)
		}
	}
}

func main() {
	fmt.Println("transmet ", VERSION)
	fmt.Println("Loading...")
	loadConfig()
	
	
	db.Close()
}