import { Dropdown, IDropdownOption, Position, Separator, SpinButton, Toggle } from '@fluentui/react';
import { AdbDemoModeMobileDataType, AdbDemoModeMobileDataTypes, AdbDemoModeSignalStrength, AdbDemoModeStatusBarMode, AdbDemoModeStatusBarModes } from '@yume-chan/adb';
import { autorun, makeAutoObservable, reaction, runInAction } from "mobx";
import { observer } from "mobx-react-lite";
import { CSSProperties, useCallback } from 'react';
import { globalState } from "../state";

const SignalStrengthOptions =
    Object.values(AdbDemoModeSignalStrength)
        .map((key) => ({
            key,
            text: {
                [AdbDemoModeSignalStrength.Hidden]: 'Hidden',
                [AdbDemoModeSignalStrength.Level0]: 'Level 0',
                [AdbDemoModeSignalStrength.Level1]: 'Level 1',
                [AdbDemoModeSignalStrength.Level2]: 'Level 2',
                [AdbDemoModeSignalStrength.Level3]: 'Level 3',
                [AdbDemoModeSignalStrength.Level4]: 'Level 4',
            }[key],
        }));

const MobileDataTypeOptions =
    AdbDemoModeMobileDataTypes
        .map((key) => ({
            key,
            text: {
                '1x': '1X',
                '3g': '3G',
                '4g': '4G',
                '4g+': '4G+',
                '5g': '5G',
                '5ge': '5GE',
                '5g+': '5G+',
                'e': 'EDGE',
                'g': 'GPRS',
                'h': 'HSPA',
                'h+': 'HSPA+',
                'lte': 'LTE',
                'lte+': 'LTE+',
                'dis': 'Disabled',
                'not': 'Not default SIM',
                'null': 'Unknown',
            }[key],
        }));

const StatusBarModeOptions =
    AdbDemoModeStatusBarModes
        .map((key) => ({
            key,
            text: {
                'opaque': 'Opaque',
                'translucent': 'Translucent',
                'semi-transparent': 'Semi-transparent',
                'transparent': 'Transparent',
                'warning': 'Warning',
            }[key],
        }));

class DemoModeState {
    allowed = false;
    enabled = false;
    features: Map<string, unknown> = new Map();

    constructor() {
        makeAutoObservable(this);

        reaction(
            () => globalState.device,
            async (device) => {
                if (device) {
                    const allowed = await device.demoMode.getAllowed();
                    runInAction(() => this.allowed = allowed);
                    if (allowed) {
                        const enabled = await device.demoMode.getEnabled();
                        runInAction(() => this.enabled = enabled);
                    }
                } else {
                    this.allowed = false;
                    this.enabled = false;
                    this.features.clear();
                }
            },
            { fireImmediately: true }
        );

        // Apply all features when enable
        autorun(() => {
            if (this.enabled) {
                for (const group of FEATURES) {
                    for (const feature of group) {
                        feature.onChange(this.features.get(feature.key) ?? feature.initial);
                    }
                }
            }
        });
    }
}

const state = new DemoModeState();

interface FeatureDefinition {
    key: string;
    label: string;
    type: string;
    min?: number;
    max?: number;
    step?: number;
    options?: { key: string, text: string; }[];
    initial: unknown;
    onChange: (value: unknown) => void;
}

const FEATURES: FeatureDefinition[][] = [
    [
        {
            key: 'batteryLevel',
            label: 'Battery Level',
            type: 'number',
            min: 0,
            max: 100,
            step: 1,
            initial: 100,
            onChange: (value) => globalState.device!.demoMode.setBatteryLevel(value as number),
        },
        {
            key: 'batteryCharging',
            label: 'Battery Charging',
            type: 'boolean',
            initial: false,
            onChange: (value) => globalState.device!.demoMode.setBatteryCharging(value as boolean),
        },
        {
            key: 'powerSaveMode',
            label: 'Power Save Mode',
            type: 'boolean',
            initial: false,
            onChange: (value) => globalState.device!.demoMode.setPowerSaveMode(value as boolean),
        },
    ],
    [
        {
            key: 'wifiSignalStrength',
            label: 'Wifi Signal Strength',
            type: 'select',
            options: SignalStrengthOptions,
            initial: AdbDemoModeSignalStrength.Level4,
            onChange: (value) => globalState.device!.demoMode.setWifiSignalStrength(value as AdbDemoModeSignalStrength),
        },
        {
            key: 'airplaneMode',
            label: 'Airplane Mode',
            type: 'boolean',
            initial: false,
            onChange: (value) => globalState.device!.demoMode.setAirplaneMode(value as boolean),
        },
        {
            key: 'mobileDataType',
            label: 'Mobile Data Type',
            type: 'select',
            options: MobileDataTypeOptions,
            initial: 'lte',
            onChange: (value) => globalState.device!.demoMode.setMobileDataType(value as AdbDemoModeMobileDataType),
        },
        {
            key: 'mobileSignalStrength',
            label: 'Mobile Signal Strength',
            type: 'select',
            options: SignalStrengthOptions,
            initial: AdbDemoModeSignalStrength.Level4,
            onChange: (value) => globalState.device!.demoMode.setMobileSignalStrength(value as AdbDemoModeSignalStrength),
        },
    ],
    [
        {
            key: 'statusBarMode',
            label: 'Status Bar Mode',
            type: 'select',
            options: StatusBarModeOptions,
            initial: 'transparent',
            onChange: (value) => globalState.device!.demoMode.setStatusBarMode(value as AdbDemoModeStatusBarMode),
        },
        {
            key: 'vibrateMode',
            label: 'Vibrate Mode Indicator',
            type: 'boolean',
            initial: false,
            onChange: (value) => globalState.device!.demoMode.setVibrateModeEnabled(value as boolean),
        },
        {
            key: 'bluetoothConnected',
            label: 'Bluetooth Indicator',
            type: 'boolean',
            initial: false,
            onChange: (value) => globalState.device!.demoMode.setBluetoothConnected(value as boolean),
        },
        {
            key: 'locatingIcon',
            label: 'Locating Icon',
            type: 'boolean',
            initial: false,
            onChange: (value) => globalState.device!.demoMode.setLocatingIcon(value as boolean),
        },
        {
            key: 'alarmIcon',
            label: 'Alarm Icon',
            type: 'boolean',
            initial: false,
            onChange: (value) => globalState.device!.demoMode.setAlarmIcon(value as boolean),
        },
        {
            key: 'notificationsVisibility',
            label: 'Notifications Visibility',
            type: 'boolean',
            initial: true,
            onChange: (value) => globalState.device!.demoMode.setNotificationsVisibility(value as boolean),
        },
        {
            key: 'hour',
            label: 'Clock Hour',
            type: 'number',
            min: 0,
            max: 23,
            step: 1,
            initial: 12,
            onChange: (value) => globalState.device!.demoMode.setTime(value as number, state.features.get('minute') as number | undefined ?? 34)
        },
        {
            key: 'minute',
            label: 'Clock Minute',
            type: 'number',
            min: 0,
            max: 59,
            step: 1,
            initial: 34,
            onChange: (value) => globalState.device!.demoMode.setTime(state.features.get('hour') as number | undefined ?? 34, value as number)
        },
    ],
];

const FeatureBase = ({ feature }: { feature: FeatureDefinition; }) => {
    const handleChange = useCallback((e, value: unknown) => {
        switch (feature.type) {
            case 'select':
                value = (value as IDropdownOption).key;
                break;
            case 'number':
                value = parseFloat(value as string);
            default:
                break;
        }

        feature.onChange(value);
        runInAction(() => {
            state.features.set(feature.key, value);
            state.enabled = true;
        });
    }, [feature]);

    const value = state.features.get(feature.key) ?? feature.initial;

    switch (feature.type) {
        case 'boolean':
            return (
                <Toggle
                    label={feature.label}
                    disabled={!state.allowed}
                    checked={value as boolean}
                    onChange={handleChange}
                />
            );
        case 'number':
            return (
                <SpinButton
                    label={feature.label}
                    labelPosition={Position.top}
                    disabled={!state.allowed}
                    min={feature.min}
                    max={feature.max}
                    step={feature.step}
                    value={value as string}
                    onChange={handleChange}
                />
            );
        case 'select':
            return (
                <Dropdown
                    label={feature.label}
                    disabled={!state.allowed}
                    options={feature.options!}
                    selectedKey={value as string}
                    onChange={handleChange}
                />
            );
        default:
            return null;
    };
};

const Feature = observer(FeatureBase);

export interface DemoModeProps {
    style?: CSSProperties;
}

const DemoModeBase = ({
    style,
}: DemoModeProps) => {
    const handleAllowedChange = useCallback(async (e, value?: boolean) => {
        await globalState.device!.demoMode.setAllowed(value!);
        runInAction(() => {
            state.allowed = value!;
            state.enabled = false;
        });
    }, []);

    const handleEnabledChange = useCallback(async (e, value?: boolean) => {
        await globalState.device!.demoMode.setEnabled(value!);
        runInAction(() => state.enabled = value!);
    }, []);

    return (
        <div style={{ padding: 12, overflow: 'hidden auto', ...style }}>
            <Toggle
                label="Allowed"
                disabled={!globalState.device}
                checked={state.allowed}
                onChange={handleAllowedChange}
            />

            <Toggle
                label="Enabled"
                disabled={!state.allowed}
                checked={state.enabled}
                onChange={handleEnabledChange}
            />

            <div><strong>Note:</strong></div>
            <div>Device may not support all options.</div>

            {FEATURES.map((group, index) => (
                <div key={index}>
                    <Separator />

                    {group.map(feature => (
                        <Feature key={feature.key} feature={feature} />
                    ))}
                </div>
            ))}
        </div>
    );
};

export const DemoMode = observer(DemoModeBase);