bjarn / jale

import {client} from '../utils/os'

import {getLinkedPhpVersion, getPhpFpmByName, supportedPhpVersions} from '../utils/phpFpm'

class UseController {

    /**

     * Switch the service to the given version.

     */

    execute = async (service: string, version: string): Promise<boolean> => {

        switch (service) {

            case 'php':

                console.log(`Switching to PHP ${version}`)

                await this.switchPhpVersionTo(version)

                return true

            default:

                console.log('Invalid service.')

                return false

        }

    }

    /**

     * Switch the active PHP version to the provided phpVersion string.

     * @param phpVersion

     */

    switchPhpVersionTo = async (phpVersion: string): Promise<void> => {

        const currentPhpVersion = await getLinkedPhpVersion()

        if (!supportedPhpVersions.includes(phpVersion)) {

            throw Error(`Invalid PHP version. Please pick one of the following version: ${supportedPhpVersions.join(', ')}`)

        }

        if (currentPhpVersion.versionName === phpVersion) {

            console.log(`PHP ${phpVersion} is already active.`)

            return

        }

        const newPhpVersion = getPhpFpmByName(`php@${phpVersion}`)

        if (newPhpVersion.isEndOfLife) {

            console.warn('This PHP version is End Of Life. Be aware it might contain security flaws.')

            console.warn('Please check http://php.net/supported-versions.php for more information.')

        }

        // Make sure the PHP version is installed.

        const isVersionInstalled = await client().packageManager.packageIsInstalled(newPhpVersion.service)

        if (!isVersionInstalled) {

            console.log(`Installing PHP ${newPhpVersion.versionName}`)

            await client().packageManager.install(newPhpVersion.service, false)

            console.log(`Configuring PHP ${newPhpVersion.versionName}`)

            await newPhpVersion.configure()

        }

        await currentPhpVersion.unLinkPhpVersion()

        // TODO: Relink some libs like libjpeg etc.

        await newPhpVersion.linkPhpVersion()

        await currentPhpVersion.stop()

        await newPhpVersion.start()

        console.log(`Successfully switched to PHP ${newPhpVersion.versionName}`)

    }

}

export default UseController