import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
import { action, computed, observable, runInAction } from "mobx";
import { observer } from "mobx-react";
import * as React from "react";
import { ColorState, SketchPicker } from "react-color";
import { Doc } from "../../fields/Doc";
import { BoolCast, StrCast, Cast } from "../../fields/Types";
import { addStyleSheet, addStyleSheetRule, Utils } from "../../Utils";
import { GoogleAuthenticationManager } from "../apis/GoogleAuthenticationManager";
import { DocServer } from "../DocServer";
import { Networking } from "../Network";
import { MainViewModal } from "../views/MainViewModal";
import { FontIconBox } from "../views/nodes/button/FontIconBox";
import { CurrentUserUtils } from "./CurrentUserUtils";
import { DragManager } from "./DragManager";
import { GroupManager } from "./GroupManager";
import "./SettingsManager.scss";
import { undoBatch } from "./UndoManager";
const higflyout = require("@hig/flyout");
export const { anchorPoints } = higflyout;
export const Flyout = higflyout.default;

export enum ColorScheme {
    Dark = "-Dark",
    Light = "-Light",
    System = "-MatchSystem"
}

@observer
export class SettingsManager extends React.Component<{}> {
    public static Instance: SettingsManager;
    static _settingsStyle = addStyleSheet();
    @observable private isOpen = false;
    @observable private passwordResultText = "";
    @observable private playgroundMode = false;

    @observable private curr_password = "";
    @observable private new_password = "";
    @observable private new_confirm = "";
    @observable activeTab = "Accounts";

    @computed get backgroundColor() { return Doc.UserDoc().activeCollectionBackground; }
    @computed get colorScheme() { return CurrentUserUtils.ActiveDashboard?.colorScheme; }

    constructor(props: {}) {
        super(props);
        SettingsManager.Instance = this;
    }

    public close = action(() => this.isOpen = false);
    public open = action(() => this.isOpen = true);

    private googleAuthorize = action(() => GoogleAuthenticationManager.Instance.fetchOrGenerateAccessToken(true));
    private changePassword = async () => {
        if (!(this.curr_password && this.new_password && this.new_confirm)) {
            runInAction(() => this.passwordResultText = "Error: Hey, we're missing some fields!");
        } else {
            const passwordBundle = { curr_pass: this.curr_password, new_pass: this.new_password, new_confirm: this.new_confirm };
            const { error } = await Networking.PostToServer('/internalResetPassword', passwordBundle);
            runInAction(() => this.passwordResultText = error ? "Error: " + error[0].msg + "..." : "Password successfully updated!");
        }
    }

    @undoBatch selectUserMode = action((e: React.ChangeEvent) => Doc.noviceMode = (e.currentTarget as any)?.value === "Novice");
    @undoBatch changeShowTitle = action((e: React.ChangeEvent) => Doc.UserDoc().showTitle = (e.currentTarget as any).value ? "title" : undefined);
    @undoBatch changeFontFamily = action((e: React.ChangeEvent) => Doc.UserDoc().fontFamily = (e.currentTarget as any).value);
    @undoBatch changeFontSize = action((e: React.ChangeEvent) => Doc.UserDoc().fontSize = (e.currentTarget as any).value);
    @undoBatch switchActiveBackgroundColor = action((color: ColorState) => Doc.UserDoc().activeCollectionBackground = String(color.hex));
    @undoBatch switchUserColor = action((color: ColorState) => { Doc.SharingDoc().userColor = undefined; Doc.GetProto(Doc.SharingDoc()).userColor = String(color.hex); });
    @undoBatch playgroundModeToggle = action(() => {
        this.playgroundMode = !this.playgroundMode;
        if (this.playgroundMode) {
            DocServer.Control.makeReadOnly();
            addStyleSheetRule(SettingsManager._settingsStyle, "topbar-inner-container", { background: "red !important" });
        }
        else DocServer.Control.makeEditable();
    });

    @undoBatch
    @action
    changeColorScheme = action((e: React.ChangeEvent) => {
        const activeDashboard= CurrentUserUtils.ActiveDashboard;
        if (!activeDashboard) return;
        const scheme: ColorScheme = (e.currentTarget as any).value;
        switch (scheme) {
            case ColorScheme.Light:
                activeDashboard.colorScheme = undefined; // undefined means ColorScheme.Light until all CSS is updated with values for each color scheme (e.g., see MainView.scss, DocumentDecorations.scss)
                addStyleSheetRule(SettingsManager._settingsStyle, "lm_header", { background: "#d3d3d3 !important" });
                break;
            case ColorScheme.Dark:
                activeDashboard.colorScheme = ColorScheme.Dark;
                addStyleSheetRule(SettingsManager._settingsStyle, "lm_header", { background: "black !important" });
                break;
            case ColorScheme.System: default:
                window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', e => {
                    activeDashboard.colorScheme = e.matches ? ColorScheme.Dark : undefined; // undefined means ColorScheme.Light until all CSS is updated with values for each color scheme (e.g., see MainView.scss, DocumentDecorations.scss)
                });
                break;
        }
    });


    @computed get colorsContent() {
        const colorBox = (func: (color: ColorState) => void) => <SketchPicker onChange={func} color={StrCast(this.backgroundColor)}
            presetColors={['#D0021B', '#F5A623', '#F8E71C', '#8B572A', '#7ED321', '#417505',
                '#9013FE', '#4A90E2', '#50E3C2', '#B8E986', '#000000', '#4A4A4A', '#9B9B9B',
                '#FFFFFF', '#f1efeb', 'transparent']} />;

        const colorFlyout = <div className="colorFlyout">
            <Flyout anchorPoint={anchorPoints.LEFT_TOP} content={colorBox(this.switchActiveBackgroundColor)}>
                <div className="colorFlyout-button" style={{ backgroundColor: StrCast(this.backgroundColor) }} onPointerDown={e => e.stopPropagation()} >
                    <FontAwesomeIcon icon="palette" size="sm" color={StrCast(this.backgroundColor)} />
                </div>
            </Flyout>
        </div>;
        const userColorFlyout = <div className="colorFlyout">
            <Flyout anchorPoint={anchorPoints.LEFT_TOP} content={colorBox(this.switchUserColor)}>
                <div className="colorFlyout-button" style={{ backgroundColor: StrCast(this.backgroundColor) }} onPointerDown={e => e.stopPropagation()} >
                    <FontAwesomeIcon icon="palette" size="sm" color={StrCast(this.backgroundColor)} />
                </div>
            </Flyout>
        </div>;

        const colorSchemes = [ColorScheme.Light, ColorScheme.Dark, ColorScheme.System];
        const schemeMap = ["Light", "Dark", "Match system"];

        return <div className="colors-content">
            <div className="preferences-color">
                <div className="preferences-color-text">Background Color</div>
                {colorFlyout}
            </div>
            <div className="preferences-color">
                <div className="preferences-color-text">Border/Header Color</div>
                {userColorFlyout}
            </div>
            <div className="preferences-colorScheme">
                <div className="preferences-color-text">Color Scheme</div>
                <div className="preferences-color-controls">
                    <select className="scheme-select" onChange={this.changeColorScheme} defaultValue={StrCast(CurrentUserUtils.ActiveDashboard?.colorScheme)}>
                        {colorSchemes.map((scheme, i) => <option key={scheme} value={scheme}> {schemeMap[i]} </option>)}
                    </select>
                </div>
            </div>
        </div>;
    }

    @computed get formatsContent() {
        return <div className="prefs-content">
            <div>
                <input type="checkbox" onChange={e => Doc.UserDoc().showTitle = Doc.UserDoc().showTitle ? undefined : "creationDate"} checked={Doc.UserDoc().showTitle !== undefined} />
                <div className="preferences-check">Show doc header</div>
            </div>
            <div>
                <input type="checkbox" onChange={e => Doc.UserDoc()["documentLinksButton-fullMenu"] = !Doc.UserDoc()["documentLinksButton-fullMenu"]}
                    checked={BoolCast(Doc.UserDoc()["documentLinksButton-fullMenu"])} />
                <div className="preferences-check">Show full toolbar</div>
            </div>
            <div>
                <input type="checkbox" onChange={e => DragManager.SetRaiseWhenDragged(!DragManager.GetRaiseWhenDragged())}
                    checked={DragManager.GetRaiseWhenDragged()} />
                <div className="preferences-check">Raise on drag</div>
            </div>
            <div>
                <input type="checkbox" onChange={e => FontIconBox.SetShowLabels(!FontIconBox.GetShowLabels())}
                    checked={FontIconBox.GetShowLabels()} />
                <div className="preferences-check">Show button labels</div>
            </div>
        </div>;
    }

    @computed get appearanceContent() {

        return <div className="tab-content appearances-content">
            <div className="tab-column">
                <div className="tab-column-title">Colors</div>
                <div className="tab-column-content">{this.colorsContent}</div>
            </div>
            <div className="tab-column">
                <div className="tab-column-title">Formats</div>
                <div className="tab-column-content">{this.formatsContent}</div>
            </div>
        </div>;
    }

    @computed get textContent() {

        const fontFamilies = ["Times New Roman", "Arial", "Georgia", "Comic Sans MS", "Tahoma", "Impact", "Crimson Text", "Roboto"];
        const fontSizes = ["7px", "8px", "9px", "10px", "12px", "14px", "16px", "18px", "20px", "24px", "32px", "48px", "72px"];

        return (
            <div className="tab-content appearances-content">
                <div className="preferences-font">
                    <div className="preferences-font-text">Default Font</div>
                    <div className="preferences-font-controls">
                        <select className="size-select" onChange={this.changeFontSize} value={StrCast(Doc.UserDoc().fontSize, "7px")}>
                            {fontSizes.map(size => <option key={size} value={size} defaultValue={StrCast(Doc.UserDoc().fontSize)}> {size} </option>)}
                        </select>
                        <select className="font-select" onChange={this.changeFontFamily} value={StrCast(Doc.UserDoc().fontFamily, "Times New Roman")} >
                            {fontFamilies.map(font => <option key={font} value={font} defaultValue={StrCast(Doc.UserDoc().fontFamily)}> {font} </option>)}
                        </select>
                    </div>
                </div>
            </div>);
    }

    @action
    changeVal = (e: React.ChangeEvent, pass: string) => {
        const value = (e.target as any).value;
        switch (pass) {
            case "curr": this.curr_password = value; break;
            case "new": this.new_password = value; break;
            case "conf": this.new_confirm = value; break;
        }
    }

    @computed get passwordContent() {
        return <div className="password-content">
            <div className="password-content-inputs">
                <input className="password-inputs" type="password" placeholder="current password" onChange={e => this.changeVal(e, "curr")} />
                <input className="password-inputs" type="password" placeholder="new password" onChange={e => this.changeVal(e, "new")} />
                <input className="password-inputs" type="password" placeholder="confirm new password" onChange={e => this.changeVal(e, "conf")} />
            </div>
            <div className="password-content-buttons">
                {!this.passwordResultText ? (null) : <div className={`${this.passwordResultText.startsWith("Error") ? "error" : "success"}-text`}>{this.passwordResultText}</div>}
                <a className="password-forgot" href="/forgotPassword">forgot password?</a>
                <button className="password-submit" onClick={this.changePassword}>submit</button>
            </div>
        </div>;
    }

    @computed get accountOthersContent() {
        return <div className="account-others-content">
            <button onClick={this.googleAuthorize} value="data">Authorize Google Acc</button>
        </div>;
    }

    @computed get accountsContent() {
        return <div className="tab-content accounts-content">
            <div className="tab-column">
                <div className="tab-column-title">Password</div>
                <div className="tab-column-content">{this.passwordContent}</div>
            </div>
            <div className="tab-column">
                <div className="tab-column-title">Others</div>
                <div className="tab-column-content">{this.accountOthersContent}</div>
            </div>
        </div>;
    }

    @computed get modesContent() {
        return <div className="tab-content modes-content">
            <div className="tab-column">
                <div className="tab-column-title">Modes</div>
                <div className="tab-column-content">
                    <select className="modes-select" onChange={this.selectUserMode} defaultValue={Doc.noviceMode ? "Novice" : "Developer"}>
                        <option key={"Novice"} value={"Novice"}> Novice </option>
                        <option key={"Developer"} value={"Developer"}> Developer</option>
                    </select>
                    <div className="modes-playground">
                        <input className="playground-check" type="checkbox" checked={this.playgroundMode} onChange={this.playgroundModeToggle} />
                        <div className="playground-text">Playground Mode</div>
                    </div>
                </div>
            </div>
            <div className="tab-column">
                <div className="tab-column-title">Permissions</div>
                <div className="tab-column-content">
                    <button onClick={() => GroupManager.Instance?.open()}>Manage groups</button>
                    <div className="default-acl">
                        <input className="acl-check" type="checkbox" checked={BoolCast(Doc.defaultAclPrivate)}
                            onChange={action(() => Doc.defaultAclPrivate = !Doc.defaultAclPrivate)} />
                        <div className="acl-text">Default access private</div>
                    </div>
                </div>
            </div>

        </div>;
    }


    private get settingsInterface() {
        // const pairs = [{ title: "Password", ele: this.passwordContent }, { title: "Modes", ele: this.modesContent },
        // { title: "Accounts", ele: this.accountsContent }, { title: "Preferences", ele: this.preferencesContent }];

        const tabs = [{ title: "Accounts", ele: this.accountsContent }, { title: "Modes", ele: this.modesContent },
        { title: "Appearance", ele: this.appearanceContent }, { title: "Text", ele: this.textContent }];

        return <div className="settings-interface">
            <div className="settings-panel">
                <div className="settings-tabs">
                    {tabs.map(tab => <div key={tab.title} className={"tab-control " + (this.activeTab === tab.title ? "active" : "inactive")} onClick={action(() => this.activeTab = tab.title)}>{tab.title}</div>)}
                </div>

                <div className="settings-user">
                    <div className="settings-username">{Doc.CurrentUserEmail}</div>
                    <button className="logout-button" onClick={() => window.location.assign(Utils.prepend("/logout"))} >
                        {CurrentUserUtils.GuestDashboard ? "Exit" : "Log Out"}
                    </button>
                </div>
            </div>

            <div className="close-button" onClick={this.close}>
                <FontAwesomeIcon icon={"times"} color="black" size={"lg"} />
            </div>

            <div className="settings-content">
                {tabs.map(tab => <div key={tab.title} className={"tab-section " + (this.activeTab === tab.title ? "active" : "inactive")}>{tab.ele}</div>)}
            </div>
        </div>;

    }

    render() {
        return <MainViewModal
            contents={this.settingsInterface}
            isDisplayed={this.isOpen}
            interactive={true}
            closeOnExternalClick={this.close}
            dialogueBoxStyle={{ width: "500px", height: "300px", background: Cast(Doc.SharingDoc().userColor, "string", null) }} />;
    }
}