package db

import (
	"database/sql"
	"errors"

	//Import this driver to be used by the SQL package.
	_ "github.com/mattn/go-sqlite3"
)

var db *sql.DB

var ErrNotFound = errors.New("db: the requested entry was not found")
var ErrAlreadyExists = errors.New("db: attempting to write to an entry that already exists")

func init() {
	var err error
	db, err = sql.Open("sqlite3", "terraocean.db")
	if err != nil {
		panic(err)
	}
	_, err = db.Exec("CREATE TABLE IF NOT EXISTS invite (code TEXT, owner TEXT, used BOOLEAN)")
	if err != nil {
		panic(err)
	}
	_, err = db.Exec("CREATE TABLE IF NOT EXISTS vote (id INTEGER PRIMARY KEY, messageId TEXT, name TEXT, type TEXT, finished BOOLEAN, UNIQUE(id))")
	if err != nil {
		panic(err)
	}
	_, err = db.Exec("CREATE TABLE IF NOT EXISTS choices (voteId INTEGER, userId INTEGER, date TIMEDATE, value INTEGER, UNIQUE(voteId, userId))")
	if err != nil {
		panic(err)
	}
	_, err = db.Exec("CREATE TABLE IF NOT EXISTS trustVote (sourceUser INTEGER, targetUser INTEGER, lastUpdated TIMEDATE, trust INTEGER, UNIQUE(sourceUser, targetUser))")
	if err != nil {
		panic(err)
	}
}