const State = require('../State')

class CommandState extends State {
    #ran_once = false

    static get services() {
        return [...super.services, 'output']
    }

    async apply() {
        const cmd = `${this._config.cmd}`
        const result = await this._host.run(cmd)
        this.#ran_once = true
    }

    async check() {
        return this.#ran_once
    }

    async reverse() {
        if ( this._config.reverse ) {
            const cmd = `${this._config.reverse}`
            await this._host.run(cmd)
        } else {
            this.output.warn(`No reversal command specified for Command State. Nothing was changed. (Host: ${this._host.name})`)
        }
    }

    failure_message() {
        return `Failed to execute the command "${this._config.cmd}" on host "${this._host.name}."`
    }

    check_message() {
        return `The command check was not successful.`
    }

    display() {
        return `Run the command: ${this._config.cmd}`
    }
}

module.exports = exports = CommandState