/*
* @Author: printempw
* @Date:   2016-01-21 13:56:40
* @Last Modified by:   printempw
* @Last Modified time: 2016-03-26 22:19:57
*/

'use strict';

$('body').on('change', '#skininput', function(){
    var files = $('#skininput').prop('files');
    handleFiles(files, 'skin');
});

$('body').on('change', '#capeinput', function(){
    var files = $('#capeinput').prop('files');
    handleFiles(files, 'cape');
});

// Real-time preview
function handleFiles(files, type) {
    if(files.length > 0) {
        var file = files[0];
        if(file.type === "image/png") {
            var reader = new FileReader();
            reader.onload = function (e) {
                var img = new Image();
                img.onload = function () {
                    if (type == "skin") {
                        MSP.changeSkin(img.src);
                        var model = $('#model-alex').prop('checked') ? "alex" : "steve";
                        change2dTexture(model, img.src);
                    } else {
                        MSP.changeCape(img.src);
                        change2dTexture('cape', img.src);
                    }
                };
                img.onerror = function () {
                    showCallout("alert-danger", "错误：这张图片编码不对哦");
                };
                img.src = this.result;
            };
            reader.readAsDataURL(file);
        } else {
            showCallout("alert-danger", "错误：皮肤文件必须为 PNG 格式");
        }
    }
};

function init3dCanvas() {
    if ($(window).width() < 800) {
        var canvas = MSP.get3dSkinCanvas($('#skinpreview').width(), $('#skinpreview').width());
        $("#skinpreview").append($(canvas).prop("id", "canvas3d"));
    } else {
        var canvas = MSP.get3dSkinCanvas(400, 400);
        $("#skinpreview").append($(canvas).prop("id", "canvas3d"));
    }
}
$(document).ready(function(){
    init3dCanvas();
});
// Auto resize canvas to fit responsive design
$(window).resize(init3dCanvas);

// Change 3D preview status
$("[title='Movements']").click(function(){
    MSP.setStatus("movements", !MSP.getStatus("movements"));
});
$("[title='Running']").click(function(){
    MSP.setStatus("running", !MSP.getStatus("running"));
});
$("[title='Rotation']").click(function(){
    MSP.setStatus("rotation", !MSP.getStatus("rotation"));
});

function show2dPreview() {
    preview_type = "2d";
    $('#canvas3d').remove();
    $('#preview-msg').remove();
    $('.operations').hide();
    $('#preview-2d').show();
    $('#preview').html('切换 3D 预览').attr('href', 'javascript:show3dPreview();');
}

function show3dPreview() {
    if (isMobile() && preview_type == "2d") {
        $("#skinpreview").append($('<div id="preview-msg" class="alert alert-info alert-dismissible fade in"><button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">×</span></button>手机上的 3D 预览可能会出现奇怪的问题（譬如空白一片），亟待解决。</div>'));
    }

    init3dCanvas();
    $('#preview-2d').hide();
    $('.operations').show();
    $('#preview').html('切换 2D 预览').attr('href', 'javascript:show2dPreview();');
}

function changeModel(uname) {
    showAlert('确定要更改优先皮肤模型吗？', function(){
        $.ajax({
            type: "POST",
            url: "../ajax.php?action=model",
            data: { "uname": docCookies.getItem('uname') },
            dataType: "json",
            success: function(json) {
                if (json.errno == 0) {
                    showAlert(json.msg, function(){
                        location.reload();
                    });
                } else {
                    showAlert(json.msg);
                }
            }
        });
    });
}

$(document).ready(function(){
    $('#preview-2d').hide();
    $('#model-steve').prop('checked', true);

    if (isMobile()) {
        show2dPreview();
    }
});

function change2dTexture(type, file) {
    $('#'+type).attr('src', file);
}

function onWindowResize() {
    if (preview_type == "3d") {
        camera.aspect = (window.innerWidth - sidebarWidth) / window.innerHeight;
        camera.updateProjectionMatrix();

        var canvas3d = document.getElementById('canvas3d');
        canvas3d.width = 600;
        canvas3d.height = 350;

        canvas3d.setSize(container.clientWidth, container.clientWidth/12*7);
    } else {
        show2dPreview();
    }
}

window.addEventListener('resize', onWindowResize, false);