<?php

namespace com\fwdekker\deathnotifier;


/**
 * Periodically executes several other actions, as if cron jobs have been set up to do so.
 *
 * Intended for local development only.
 */
class EmulateCronCliAction extends Action
{
    /**
     * The number of seconds between executing tasks.
     */
    private const INTERVAL = 15;

    /**
     * @var Action[] the actions to execute at an interval
     */
    private readonly array $actions;


    /**
     * Constructs a new `EmulateCronAction`.
     *
     * @param Action[] $actions the actions to execute at an interval
     */
    public function __construct(array $actions)
    {
        parent::__construct(ActionMethod::CLI, "emulate-cron");

        $this->actions = $actions;
    }

    /**
     * Validates the inputs of each registered action.
     *
     * @return void if the input is valid
     * @throws ValidationException if the input is invalid
     */
    public function validate_inputs(): void
    {
        foreach ($this->actions as $action)
            $action->validate_inputs();
    }

    /**
     * Updates all trackings and processes the mail queue at a regular interval.
     *
     * @return never
     */
    public function handle(): never
    {
        // @phpstan-ignore-next-line
        while (true) {
            print("Emulating cron jobs.\n");
            foreach ($this->actions as $action)
                $action->handle();
            print("Done\n");

            sleep(self::INTERVAL);
        }
    }
}