var shopDataRequest = new XMLHttpRequest();

// 店舗・観光地情報の保持クラス
var shopData = function shopData (categoryId, shopId, shopName, summary,
                                                  featuredName, featuredDescription, otherDescription,
                                                  address, latitude, longitude, image, rating, review,
                                                  order_id,romaji) {
    this.categoryId = categoryId;
    this.shopId = shopId;
    this.shopName = shopName;
    this.summary = summary;
    this.featuredName = featuredName;
    this.featuredDescription = featuredDescription;
    this.otherDescription = otherDescription;
    this.address = address;
    this.latitude = latitude;
    this.longitude = longitude;
    this.image = image;
    this.rating = rating;
    this.review = review;
    this.order_id = order_id;
    this.romaji = romaji;
};

// カテゴリー情報csvの読み込み
function readShopDataCsv(file_name) {
    shopDataRequest.onreadystatechange = shopDataReadyStateChange;
    shopDataRequest.open("GET", file_name, false);
    shopDataRequest.send(null);
}

// カテゴリー情報csvの読み込み実行コールバック
function shopDataReadyStateChange() {
    if(shopDataRequest.readyState == 4) {
        if(shopDataRequest.status != 200) {
            // 通信失敗ならローカルのデータを取得
            shopDataConnectError = true;
            getLocalShopData();
            return;
        }
        // 通信成功なら受信したデータを格納
        shopDataCount = 0;
        var csv = $.csv(",", "", "\n")(shopDataRequest.responseText);
        notopflg = false;
        $(csv).each(function(){
            if (notopflg) {
                if (this.length == 15) {
                    // 店舗情報が正常取得できたならリストに格納し、ローカルストレージに情報を細んする
                    for (i = 0; i < 15; i++) {
                        this[i] = this[i].replace(/\/\[,\]\//g, ',').replace(/\"\"/g, "\"");
                    }
                    var eachCsvShopData = new shopData(this[0], this[1], this[2], this[3], this[4], this[5], this[6], this[7], this[8], this[9], this[10], this[11], this[12], this[13], this[14], this[15]);
                    shopDataList[shopDataCount]  = eachCsvShopData;
                    shopDataCount++;
                    localStorage.setItem(shopDataKey + keysDelimiter + categoryId + shopDataDelimiter + this[1], JSON.stringify(eachCsvShopData));
                }
            } else {
                notopflg = true;
            }
        });
    }
}

// ローカルストレージからの店舗情報取得
function getLocalShopData() {
    dataCount = 0;
    for(i = 0; i < localStorage.length; i++){
        localStorageKey = localStorage.key(i);
        firstSplit = localStorageKey.split(keysDelimiter);
        if (firstSplit[0] == shopDataKey) {
            secondSplit = firstSplit[1].split(shopDataDelimiter);
            if (secondSplit[0] == categoryId) {
                var eachLocalShopData = JSON.parse(localStorage.getItem(localStorageKey));
                shopDataList[dataCount] = eachLocalShopData;
                dataCount++;
            }
        }
    }
}

// 店舗情報を五十音順にソートする
// 現在は未使用
// function shopDataSort() {
    // shopDataList.sort(function(a, b) {
          // return ( a.shopName > b.shopName ? 1 : -1);
     // });
 // }