/**
 * Created by GUY on 2015/4/15.
 * @class BI.Editor
 * @extends BI.Single
 */
import { shortcut, Controller, extend, createWidget, isKey, isEmptyString, isFunction, isNull, trim,  } from "../../../core";
import { Single } from "../0.single";
import { Input } from "../input/input";
import { Bubbles } from "../../0.base";

@shortcut()
export class Editor extends Single {
    static xtype = "bi.editor";

    static EVENT_CHANGE = "EVENT_CHANGE";
    static EVENT_FOCUS = "EVENT_FOCUS";
    static EVENT_BLUR = "EVENT_BLUR";
    static EVENT_CLICK = "EVENT_CLICK";
    static EVENT_KEY_DOWN = "EVENT_KEY_DOWN";
    static EVENT_SPACE = "EVENT_SPACE";
    static EVENT_BACKSPACE = "EVENT_BACKSPACE";

    static EVENT_START = "EVENT_START";
    static EVENT_PAUSE = "EVENT_PAUSE";
    static EVENT_STOP = "EVENT_STOP";
    static EVENT_CONFIRM = "EVENT_CONFIRM";
    static EVENT_CHANGE_CONFIRM = "EVENT_CHANGE_CONFIRM";
    static EVENT_VALID = "EVENT_VALID";
    static EVENT_ERROR = "EVENT_ERROR";
    static EVENT_ENTER = "EVENT_ENTER";
    static EVENT_RESTRICT = "EVENT_RESTRICT";
    static EVENT_REMOVE = "EVENT_REMOVE";
    static EVENT_EMPTY = "EVENT_EMPTY";

    _defaultConfig() {
        const conf = super._defaultConfig(arguments);

        return extend(conf, {
            baseCls: "bi-editor bi-focus-shadow",
            hgap: 4,
            vgap: 2,
            lgap: 0,
            rgap: 0,
            tgap: 0,
            bgap: 0,
            // title,warningTitle这两个属性没用
            tipType: "warning",
            inputType: "text",
            validationChecker: BI.emptyFn,
            quitChecker: BI.emptyFn,
            allowBlank: false,
            watermark: "",
            errorText: "",
            autoTrim: true,
        });
    }

    render() {
        const { value, watermark, validationChecker, quitChecker, allowBlank, inputType, hgap, vgap, lgap, rgap, tgap, bgap } = this.options;
        // 密码输入框设置autocomplete="new-password"的情况下Firefox和chrome不会自动填充密码
        const autocomplete = this.options.autocomplete ? " autocomplete=" + this.options.autocomplete : "";
        this.editor = this.addWidget(createWidget({
            type: "bi.input",
            element: "<input type='" + inputType + "'" + autocomplete + " />",
            root: true,
            value,
            watermark,
            validationChecker,
            quitChecker,
            allowBlank,
        }));
        this.editor.element.css({
            width: "100%",
            height: "100%",
            border: "none",
            outline: "none",
            padding: "0",
            margin: "0",
        });

        const items = [
            {
                el: {
                    type: "bi.absolute",
                    ref: (_ref) => {
                        this.contentWrapper = _ref;
                    },
                    items: [
                        {
                            el: this.editor,
                            left: 0,
                            right: 0,
                            top: 0,
                            bottom: 0,
                        }
                    ],
                },
                left: hgap + lgap,
                right: hgap + rgap,
                top: vgap + tgap,
                bottom: vgap + bgap,
            }
        ];

        createWidget({
            type: "bi.absolute",
            element: this,
            items,
        });

        this.setWaterMark(this.options.watermark);

        this.editor.on(Controller.EVENT_CHANGE, (...args) => {
            this.fireEvent(Controller.EVENT_CHANGE, ...args);
        });
        this.editor.on(Input.EVENT_FOCUS, (...args) => {
            this._checkError();
            this.element.addClass("bi-editor-focus");
            this.fireEvent(Editor.EVENT_FOCUS, ...args);
        });
        this.editor.on(Input.EVENT_BLUR, (...args) => {
            this._setErrorVisible(false);
            this.element.removeClass("bi-editor-focus");
            this.fireEvent(Editor.EVENT_BLUR, ...args);
        });
        this.editor.on(Input.EVENT_CLICK, (...args) => {
            this.fireEvent(Editor.EVENT_CLICK, ...args);            
        });
        this.editor.on(Input.EVENT_CHANGE, (...args) => {
            this.fireEvent(Editor.EVENT_CHANGE, ...args);            
        });
        this.editor.on(Input.EVENT_KEY_DOWN, (v, ...args) => {
            this.fireEvent(Editor.EVENT_KEY_DOWN, v, ...args);            
        });
        this.editor.on(Input.EVENT_QUICK_DOWN, (e) => {
            // tab键就不要隐藏了
            if (e.keyCode !== BI.KeyCode.TAB && this.watermark) {
                this.watermark.invisible();
            }
        });

        this.editor.on(Input.EVENT_VALID, (...args) => {
            this._checkWaterMark();
            this._setErrorVisible(false);
            this.element.removeClass("error");
            this.fireEvent(Editor.EVENT_VALID, ...args);                        
        });
        this.editor.on(Input.EVENT_ERROR, (...args) => {
            this._checkWaterMark();
            this.fireEvent(Editor.EVENT_ERROR, ...args);                                    
            this._setErrorVisible(this.isEditing());
            this.element.addClass("error");
        });
        this.editor.on(Input.EVENT_RESTRICT, (...args) => {
            this._checkWaterMark();
            const tip = this._setErrorVisible(true);
            tip && tip.element.fadeOut(100, () => {
                tip.element.fadeIn(100);
            });
            this.fireEvent(Editor.EVENT_RESTRICT, ...args);                                                
        });
        this.editor.on(Input.EVENT_EMPTY, (...args) => {
            this._checkWaterMark();
            this.fireEvent(Editor.EVENT_EMPTY, ...args);                                                
        });
        this.editor.on(Input.EVENT_ENTER, (...args) => {
            this.fireEvent(Editor.EVENT_ENTER, ...args);                                                
        });
        this.editor.on(Input.EVENT_SPACE, (...args) => {
            this.fireEvent(Editor.EVENT_SPACE, ...args);                                                
        });
        this.editor.on(Input.EVENT_BACKSPACE, (...args) => {
            this.fireEvent(Editor.EVENT_BACKSPACE, ...args);                                                
        });
        this.editor.on(Input.EVENT_REMOVE, (...args) => {
            this.fireEvent(Editor.EVENT_REMOVE, ...args);                                                
        });
        this.editor.on(Input.EVENT_START, (...args) => {
            this.fireEvent(Editor.EVENT_START, ...args);                                                
        });
        this.editor.on(Input.EVENT_PAUSE, (...args) => {
            this.fireEvent(Editor.EVENT_PAUSE, ...args);                                                
        });
        this.editor.on(Input.EVENT_STOP, (...args) => {
            this.fireEvent(Editor.EVENT_STOP, ...args);                                                
        });
        this.editor.on(Input.EVENT_CONFIRM, (...args) => {
            this.fireEvent(Editor.EVENT_CONFIRM, ...args);                                                
        });
        this.editor.on(Input.EVENT_CHANGE_CONFIRM, (...args) => {
            this.fireEvent(Editor.EVENT_CHANGE_CONFIRM, ...args);                                                
        });
        this.element.click((e) => {
            e.stopPropagation();

            return false;
        });
        if (isKey(this.options.value) || isEmptyString(this.options.value)) {
            this._checkError();
            this._checkWaterMark();
        } else {
            this._checkWaterMark();
        }
    }

    _checkToolTip() {
        const { errorText } = this.options;
        if (isFunction(errorText)) {
            this.options.errorText = errorText(this.editor.getValue());
        }
        if (isKey(errorText)) {
            if (!this.isEnabled() || this.isValid() || Bubbles.has(this.getName())) {
                this.setTitle("");
            } else {
                this.setTitle(errorText);
            }
        }
    }

    _assertWaterMark() {
        const { height, vgap, tgap } = this.options;
        if (isNull(this.watermark)) {
            this.watermark = createWidget({
                type: "bi.label",
                cls: "bi-water-mark",
                text: this.options.watermark,
                height: height - 2 * vgap - tgap,
                hgap: 2,
                whiteSpace: "nowrap",
                textAlign: "left",
            });
            this.watermark.element.bind({
                mousedown: (e) => {
                    if (this.isEnabled()) {
                        this.editor.isEditing() || this.editor.focus();
                    } else {
                        this.editor.isEditing() && this.editor.blur();
                    }
                    e.stopEvent();
                },
            });
            this.watermark.element.bind("click", (e) => {
                if (this.isEnabled()) {
                    this.editor.isEditing() || this.editor.focus();
                } else {
                    this.editor.isEditing() && this.editor.blur();
                }
                e.stopEvent();
            });
        }
    }

    _checkError() {
        this._setErrorVisible(this.isEnabled() && !this.isValid());
        this._checkToolTip();
    }

    _checkWaterMark() {
        const { watermark } = this.options;
        if (!this.disabledWaterMark && this.editor.getValue() === "" && isKey(watermark)) {
            this.watermark && this.watermark.visible();
        } else {
            this.watermark && this.watermark.invisible();
        }
    }

    setErrorText(text) {
        this.options.errorText = text;
    }

    getErrorText() {
        return this.options.errorText;
    }

    setWaterMark(v) {
        this.options.watermark = v;

        if (isNull(this.watermark)) {
            this._assertWaterMark();
            createWidget({
                type: "bi.absolute",
                element: this.contentWrapper,
                items: [
                    {
                        el: this.watermark,
                        left: 0,
                        right: 0,
                        top: 0,
                        bottom: 0,
                    }
                ],
            });
        }
        this.watermark.setText(v);
        this._checkWaterMark();
    }

    _setErrorVisible(b) {
        const { errorText, autoTrim, simple } = this.options;
        if (isFunction(errorText)) {
            this.options.errorText = errorText(autoTrim ? trim(this.editor.getValue()) : this.editor.getValue());
        }
        if (!this.disabledError && isKey(errorText)) {
            Bubbles[b ? "show" : "hide"](this.getName(), errorText, this, {
                adjustYOffset: simple ? 1 : 2,
            });
            this._checkToolTip();
        }
    }

    disableError() {
        this.disabledError = true;
        this._checkError();
    }

    enableError() {
        this.disabledError = false;
        this._checkError();
    }

    disableWaterMark() {
        this.disabledWaterMark = true;
        this._checkWaterMark();
    }

    enableWaterMark() {
        this.disabledWaterMark = false;
        this._checkWaterMark();
    }

    focus() {
        this.element.addClass("text-editor-focus");
        this.editor.focus();
    }

    blur() {
        this.element.removeClass("text-editor-focus");
        this.editor.blur();
    }

    selectAll() {
        this.editor.selectAll();
    }

    onKeyDown(k) {
        this.editor.onKeyDown(k);
    }

    setValue(v) {
        super.setValue(v);
        this.editor.setValue(v);
        this._checkError();
        this._checkWaterMark();
    }

    getLastValidValue() {
        return this.editor.getLastValidValue();
    }

    getLastChangedValue() {
        return this.editor.getLastChangedValue();
    }

    getValue() {
        if (!this.isValid()) {
            return this.options.autoTrim ? trim(this.editor.getLastValidValue()) : this.editor.getLastValidValue();
        }

        return this.options.autoTrim ? trim(this.editor.getValue()) : this.editor.getValue();
    }

    isEditing() {
        return this.editor.isEditing();
    }

    isValid() {
        return this.editor.isValid();
    }

    destroyed() {
        Bubbles.remove(this.getName());
    }
}