//=============================================================================
// SaltedFish Plugins - Skip Load Error
// SF_SkipLoadError.js
//=============================================================================

"use strict";
var Imported = Imported || {};
Imported.SF_SkipLoadError = true;

var SF_Plugins = SF_Plugins || {};

//=============================================================================
/*:
    * @plugindesc try to skip load errors
    * @author SaltedFish
    * 
    * @help
    * just put it on the top of plugins list.
    * 
    */
//=============================================================================


(function () {
    var SF_SkipLoadError = {};
    SF_Plugins.SF_SkipLoadError = SF_SkipLoadError;

    SF_SkipLoadError.version = 1.0;

    SF_SkipLoadError.PluginManager_checkErrors = PluginManager.checkErrors;
    PluginManager.checkErrors = function () {
        var url = this._errorUrls.shift();
        if (url) {
            alert('Failed to load: ' + url);
        }
    }

    SF_SkipLoadError.ImageManager_isReady = ImageManager.isReady;
    ImageManager.isReady = function () {
        for (var key in this.cache._inner) {
            var bitmap = this.cache._inner[key].item;
            if (bitmap.isError()) {
                alert('Failed to load: ' + bitmap.url);
                bitmap = ImageManager.loadEmptyBitmap();
                this.cache.setItem(key, bitmap);
            }
            if (!bitmap.isReady()) {
                return false;
            }
        }
        return true;
    };

    SF_SkipLoadError.AudioManager_checkWebAudioError = AudioManager.checkWebAudioError;
    AudioManager.checkWebAudioError = function (webAudio) {
        if (webAudio && webAudio.isError()) {
            alert('Failed to load: ' + webAudio.url);
            webAudio.initialize("");
        }
    };

    SF_SkipLoadError.FileLoadErrorList = [];
    SF_SkipLoadError.FileLoadingList = [];

    SF_SkipLoadError.ResourceHandler_createLoader = ResourceHandler.createLoader;
    ResourceHandler.createLoader = function (url, retryMethod, resignMethod, retryInterval) {
        retryInterval = retryInterval || this._defaultRetryInterval;
        var reloaders = this._reloaders;
        var retryCount = 0;
        if (!(url in SF_SkipLoadError.FileLoadingList)) SF_SkipLoadError.FileLoadingList.push(url);
        return function () {
            if (retryCount < retryInterval.length) {
                setTimeout(retryMethod, retryInterval[retryCount]);
                retryCount++;
            } else {
                if (resignMethod) {
                    resignMethod();
                }
                if (url) {
                    var index = SF_SkipLoadError.FileLoadingList.indexOf(url);
                    if (index >= 0) SF_SkipLoadError.FileLoadingList.splice(index, 1);
                    Graphics.printLoadingError(url);
                }
            }
        };
    };

    SF_SkipLoadError.Graphics_printLoadingError = Graphics.printLoadingError;
    Graphics.printLoadingError = function (url) {
        url = decodeURIComponent(url);
        console.warn(url);
        if (this._errorPrinter && !this._errorShowed && SF_SkipLoadError.FileLoadErrorList.indexOf(url) === -1) {
            SceneManager.stop();
            if (this._errorPrinter.innerHTML !== "") {
                tempht = this._errorPrinter.innerHTML.match(/<font color="white">(.*)<\/font>/i)[1] + "<br/>";
                this._errorPrinter.innerHTML = '<font color="yellow"><b>' + '文件加载失败，请上报问题附带截图:' + '</b></font><br>' +
                    '<font color="white">' + tempht + 'Failed to load: ' + url + '</font><br>';
            } else {
                this._errorPrinter.innerHTML = this._makeErrorHtml('文件加载失败，请上报问题附带截图:', 'Failed to load: ' + url);
            }
            var button = document.createElement('button');
            SF_SkipLoadError.FileLoadErrorList.push(url);
            button.innerHTML = '继续';
            button.style.fontSize = '24px';
            button.style.color = '#ffffff';
            button.style.backgroundColor = '#000000';
            button.onmousedown = button.ontouchstart = function (event) {
                Graphics.eraseLoadingError();
                SceneManager.resume();
                event.stopPropagation();
            };
            this._errorPrinter.appendChild(button);
            this._loadingCount = -Infinity;
            return;
        }

    };

    SF_SkipLoadError.ResourceHandler_retry = ResourceHandler.retry;
    ResourceHandler.retry = function () {
        if (this._reloaders.length > 0) {
            Graphics.eraseLoadingError();
            SceneManager.resume();
            this._reloaders.length = 0;
        }
    };

    SF_SkipLoadError.Bitmap_onError = Bitmap.prototype._onError;
    Bitmap.prototype._onError = function () {
        this._image.removeEventListener('load', this._loadListener);
        this._image.removeEventListener('error', this._errorListener);
        this._loadListener();
    };

    SF_SkipLoadError.Graphics_paintUpperCanvas = Graphics._paintUpperCanvas;
    Graphics._paintUpperCanvas = function () {
        this._clearUpperCanvas();
        if (this._loadingImage) {
            var context = this._upperCanvas.getContext('2d');
            var dx = (this._width - this._loadingImage.width) / 2;
            var dy = (this._height - this._loadingImage.height) / 2;
            var alpha = ((this._loadingCount - 20) / 30).clamp(0, 1);
            context.save();
            context.globalAlpha = alpha;
            context.drawImage(this._loadingImage, dx, dy);
            context.restore();
        }
    };

    SF_SkipLoadError.WebAudio_onXhrLoad = WebAudio.prototype._onXhrLoad;
    WebAudio.prototype._onXhrLoad = function (xhr) {
        var url = this._url || xhr.responseURL;
        var index = SF_SkipLoadError.FileLoadingList.indexOf(url);
        if (index >= 0) SF_SkipLoadError.FileLoadingList.splice(index, 1);
        return SF_SkipLoadError.WebAudio_onXhrLoad.call(this, xhr);
    };

    SF_SkipLoadError.Graphics_playVideo = Graphics.playVideo;
    Graphics.playVideo = function (src) {
        this._videoLoader = ResourceHandler.createLoader(src, this._playVideo.bind(this, src), this._onVideoError.bind(this));
        this._playVideo(src);
    };

    SF_SkipLoadError.Graphics_onVideoLoad = Graphics._onVideoLoad;
    Graphics._onVideoLoad = function () {
        var url = this._video.src;
        var index = SF_SkipLoadError.FileLoadingList.indexOf(url);
        if (index >= 0) SF_SkipLoadError.FileLoadingList.splice(index, 1);
        return SF_SkipLoadError.Graphics_onVideoLoad.call(this);
    };

    SF_SkipLoadError.Graphics_onVideoError = Graphics._onVideoError;
    Graphics._onVideoError = function () {
        var url = this._video.src;
        var index = SF_SkipLoadError.FileLoadingList.indexOf(url);
        if (index >= 0) SF_SkipLoadError.FileLoadingList.splice(index, 1);
        return SF_SkipLoadError.Graphics_onVideoError.call(this);
    };

    SF_SkipLoadError.Bitmap_onLoad = Bitmap.prototype._onLoad;
    Bitmap.prototype._onLoad = function () {
        var url = this._url;
        var index = SF_SkipLoadError.FileLoadingList.indexOf(url);
        if (index >= 0) SF_SkipLoadError.FileLoadingList.splice(index, 1);
        return SF_SkipLoadError.Bitmap_onLoad.call(this);
    };

    SF_SkipLoadError.DataManager_loadDataFile = DataManager.loadDataFile;
    DataManager.loadDataFile = function (name, src) {
        var xhr = new XMLHttpRequest();
        var url = 'data/' + src;
        xhr.open('GET', url);
        xhr.overrideMimeType('application/json');
        xhr.onload = function () {

            if (xhr.status < 400) {
                window[name] = JSON.parse(xhr.responseText);
                DataManager.onLoad(window[name]);
            }

            var index = SF_SkipLoadError.FileLoadingList.indexOf(url);
            if (index >= 0) SF_SkipLoadError.FileLoadingList.splice(index, 1);
            if (xhr.status == 404) Graphics.printLoadingError(url);
        };
        xhr.onerror = this._mapLoader || function () {
            DataManager._errorUrl = DataManager._errorUrl || url;
        };
        window[name] = null;
        xhr.send();
    };

    SF_SkipLoadError.WebAudio_load = WebAudio.prototype._load;
    WebAudio.prototype._load = function (url) {
        if (WebAudio._context) {
            var xhr = new XMLHttpRequest();
            if (Decrypter.hasEncryptedAudio) url = Decrypter.extToEncryptExt(url);
            xhr.open('GET', url);
            xhr.responseType = 'arraybuffer';
            xhr.onload = function () {
                if (xhr.status < 400) {
                    this._onXhrLoad(xhr);
                }
                var index = SF_SkipLoadError.FileLoadingList.indexOf(url);
                if (index >= 0) SF_SkipLoadError.FileLoadingList.splice(index, 1);
                if (xhr.status == 404) Graphics.printLoadingError(url);
            }.bind(this);
            xhr.onerror = this._loader || function () { this._hasError = true; }.bind(this);
            xhr.send();
        }
    };


    SF_SkipLoadError.Scene_Base_isReady = Scene_Base.prototype.isReady;
    Scene_Base.prototype.isReady = function () {
        return SF_SkipLoadError.FileLoadingList.length === 0 && SF_SkipLoadError.Scene_Base_isReady.call(this);
    };

})()