package main

import (
	"database/sql"
	"fmt"
	"log"
)

func NewMapper(fn string) (AardMapper, error) {
	var am AardMapper

	db, err := sql.Open("sqlite3", fn)
	if err != nil {

		return am, fmt.Errorf("error opening mapper sqlite3 database: %s\n", err)
	}
	am.db = db
	return am, nil
}

type AardMapper struct {
	db *sql.DB
}

func (am AardMapper) Areas() (map[string]Area, error) {
	areas := make(map[string]Area)
	rows, err := am.db.Query("select uid, name, flags from areas;")

	if err != nil {
		log.Fatalf("error querying areas: %s\n", err)
	}

	for rows.Next() {
		var a Area
		err := rows.Scan(&a.Uid, &a.Name, &a.Flags)
		areas[a.Uid] = a
		if err != nil {
			return areas, fmt.Errorf("error scanning area into struct: %s\n", err)
		}
	}
	return areas, nil
}

type Area struct {
	Uid, Name, Flags string
}