lacymorrow/crossover

const { app, BrowserWindow, os, screen, shell } = require( 'electron' )
const isDev = require( 'electron-is-dev' )
const { productName } = require( '../../package.json' )

const { electronVersion } = process.versions.electron || '0.0.0'

const activeWindow = () => BrowserWindow.getFocusedWindow()

const debugInfo = () => `
${app.getName()} ${app.getVersion()}
Electron ${electronVersion}
${process.platform} ${os.release()}
Locale: ${app.getLocale()}
`.trim()

const is = {
    macos: process.platform === 'darwin',
    linux: process.platform === 'linux',
    windows: process.platform === 'win32',
    main: process.type === 'browser',
    renderer: process.type === 'renderer',
    development: isDev,
    macAppStore: process.mas === true,
    windowsStore: process.windowsStore === true,
}

const getWindowBoundsCentered = options => {

    options = {
        window: BrowserWindow.getFocusedWindow(),
        ...options,
    }

    const currentDisplay = screen.getDisplayNearestPoint( screen.getCursorScreenPoint() )
    const [ width, height ] = options.window.getSize()
    const windowSize = options.size || { width, height }
    const screenSize = options.useFullBounds
        ? currentDisplay.bounds
        : currentDisplay.workArea
    const x = Math.floor( screenSize.x + ( ( screenSize.width / 2 ) - ( windowSize.width / 2 ) ) )
    const y = Math.floor( ( ( screenSize.height + screenSize.y ) / 2 ) - ( windowSize.height / 2 ) )

    return {
        x,
        y,
        width: windowSize.width,
        height: windowSize.height,
    }

}

const centerWindow = options => {

    options = {
        window: activeWindow(),
        animated: true,
        ...options,
    }

    const bounds = getWindowBoundsCentered( options )
    options.window.setBounds( bounds, options.animated )

}

const newGithubIssueUrl = ( options = {} ) => {

    let repoUrl
    if ( options.repoUrl ) {

        repoUrl = options.repoUrl

    } else if ( options.user && options.repo ) {

        repoUrl = `https://github.com/${options.user}/${options.repo}`

    } else {

        throw new Error( 'You need to specify either the `repoUrl` option or both the `user` and `repo` options' )

    }

    const url = new URL( `${repoUrl}/issues/new` )

    const types = [
        'body',
        'title',
        'labels',
        'template',
        'milestone',
        'assignee',
        'projects',
    ]

    for ( const type of types ) {

        let value = options[type]
        if ( value === undefined ) {

            continue

        }

        if ( type === 'labels' || type === 'projects' ) {

            if ( !Array.isArray( value ) ) {

                throw new TypeError( `The \`${type}\` option should be an array` )

            }

            value = value.join( ',' )

        }

        url.searchParams.set( type, value )

    }

    return url.toString()

}

const openNewGitHubIssue = options => {

    const url = newGithubIssueUrl( options )
    shell.openExternal( url )

}

const openUrlMenuItem = ( options = {} ) => {

    if ( !options.url ) {

        throw new Error( 'The `url` option is required' )

    }

    const { url } = options
    delete options.url

    const click = ( ...args ) => {

        if ( options.click ) {

            options.click( ...args )

        }

        shell.openExternal( url )

    }

    return {
        ...options,
        click,
    }

}

const aboutMenuItem = ( options = {} ) => {

    options = {
        title: 'About',
        ...options,
    }

    // TODO: When https://github.com/electron/electron/issues/15589 is fixed,
    // handle the macOS case here, so the user doesn't need a conditional
    // when used in a cross-platform app

    return {
        label: `${options.title}`,
        click() {

            showAboutWindow( options )

        },
    }

}

const showAboutWindow = ( options = {} ) => {

    // TODO: When https://github.com/electron/electron/issues/18918 is fixed,
    // these defaults should not need to be set for Linux.
    // TODO: The defaults are standardized here, instead of being set in
    // Electron when https://github.com/electron/electron/issues/23851 is fixed.

    const appName = app.getName()
    const appVersion = app.getVersion()

    const aboutPanelOptions = {
        applicationName: appName,
        applicationVersion: appVersion,
    }

    if ( options.icon ) {

        aboutPanelOptions.iconPath = options.icon

    }

    if ( options.copyright ) {

        aboutPanelOptions.copyright = options.copyright

    }

    if ( options.text ) {

        aboutPanelOptions.copyright = ( options.copyright || '' ) + '\n\n' + options.text

    }

    if ( options.website ) {

        aboutPanelOptions.website = options.website

    }

    app.setAboutPanelOptions( aboutPanelOptions )
    app.showAboutPanel()

}

const appMenu = ( menuItems = [] ) => ( {
    label: productName,
    submenu: [
        {
            role: 'about',
        },
        {
            type: 'separator',
        },
        ...menuItems,
        {
            type: 'separator',
        },
        {
            role: 'services',
        },
        {
            type: 'separator',
        },
        {
            role: 'hide',
        },
        {
            role: 'hideothers',
        },
        {
            role: 'unhide',
        },
        {
            type: 'separator',
        },
        {
            role: 'quit',
        },
    ].filter( Boolean ),
} )

module.exports = {
    is,
    activeWindow,
    centerWindow,
    debugInfo,
    appMenu,
    aboutMenuItem,
    showAboutWindow,
    openUrlMenuItem,
    openNewGitHubIssue,
    getWindowBoundsCentered,
}