<?php

namespace MailPoet\Test\Util\License\Features;

use Codeception\Util\Stub;
use MailPoet\Settings\SettingsController;
use MailPoet\Subscribers\SubscribersRepository;
use MailPoet\Util\License\Features\Subscribers as SubscribersFeature;

class SubscribersTest extends \MailPoetUnitTest {
  public function testCheckReturnsTrueIfOldUserReachedLimit() {
    $subscribersFeature = $this->constructWith([
      'mss_key_state' => 'invalid',
      'premium_key_state' => 'invalid',
      'installed_at' => '2018-11-11',
      'subscribers_count' => 2500,
      'premium_subscribers_limit' => 500,
      'mss_subscribers_limit' => 500,
    ]);
    expect($subscribersFeature->check())->true();
  }

  public function testCheckReturnsFalseIfOldUserDidntReachLimit() {
    $subscribersFeature = $this->constructWith([
      'mss_key_state' => 'invalid',
      'premium_key_state' => 'invalid',
      'installed_at' => '2018-11-11',
      'subscribers_count' => 1500,
      'premium_subscribers_limit' => 500,
      'mss_subscribers_limit' => 500,
    ]);
    expect($subscribersFeature->check())->false();
  }

  public function testCheckReturnsTrueIfNewUserReachedLimit() {
    $subscribersFeature = $this->constructWith([
      'mss_key_state' => 'invalid',
      'premium_key_state' => 'invalid',
      'installed_at' => '2019-11-11',
      'subscribers_count' => 1500,
      'premium_subscribers_limit' => 500,
      'mss_subscribers_limit' => 500,
    ]);
    expect($subscribersFeature->check())->true();
  }

  public function testCheckReturnsFalseIfNewUserDidntReachLimit() {
    $subscribersFeature = $this->constructWith([
      'mss_key_state' => 'invalid',
      'premium_key_state' => 'invalid',
      'installed_at' => '2019-11-11',
      'subscribers_count' => 900,
      'premium_subscribers_limit' => 500,
      'mss_subscribers_limit' => 500,
    ]);
    expect($subscribersFeature->check())->false();
  }

  public function testCheckReturnsFalseIfMSSKeyExistsAndDidntReachLimit() {
    $subscribersFeature = $this->constructWith([
      'mss_key_state' => 'valid',
      'premium_key_state' => 'invalid',
      'installed_at' => '2019-11-11',
      'subscribers_count' => 2500,
      'premium_subscribers_limit' => 500,
      'mss_subscribers_limit' => 3500,
    ]);
    expect($subscribersFeature->check())->false();
  }

  public function testCheckReturnsTrueIfMSSKeyExistsAndReachedLimit() {
    $subscribersFeature = $this->constructWith([
      'mss_key_state' => 'valid',
      'premium_key_state' => 'invalid',
      'installed_at' => '2019-11-11',
      'subscribers_count' => 3000,
      'premium_subscribers_limit' => 500,
      'mss_subscribers_limit' => 2500,
    ]);
    expect($subscribersFeature->check())->true();
  }

  public function testCheckReturnsTrueIfMSSKeyIsExpiringAndReachedLimit() {
    $subscribersFeature = $this->constructWith([
      'mss_key_state' => 'expiring',
      'premium_key_state' => 'invalid',
      'installed_at' => '2019-11-11',
      'subscribers_count' => 3000,
      'premium_subscribers_limit' => 500,
      'mss_subscribers_limit' => 2500,
    ]);
    expect($subscribersFeature->check())->true();
  }

  public function testCheckReturnsFalseIfMSSKeyIsAlreadyUsedAndReachedLimit() {
    $subscribersFeature = $this->constructWith([
      'mss_key_state' => 'already_used',
      'premium_key_state' => 'invalid',
      'installed_at' => '2019-11-11',
      'subscribers_count' => 800,
      'premium_subscribers_limit' => 500,
      'mss_subscribers_limit' => 500,
    ]);
    expect($subscribersFeature->check())->false();
  }

  public function testCheckReturnsFalseIfPremiumKeyExistsAndDidntReachLimit() {
    $subscribersFeature = $this->constructWith([
      'mss_key_state' => 'invalid',
      'premium_key_state' => 'valid',
      'installed_at' => '2019-11-11',
      'subscribers_count' => 2500,
      'premium_subscribers_limit' => 3500,
      'mss_subscribers_limit' => 500,
    ]);
    expect($subscribersFeature->check())->false();
  }

  public function testCheckReturnsTrueIfPremiumKeyExistsAndReachedLimit() {
    $subscribersFeature = $this->constructWith([
      'mss_key_state' => 'invalid',
      'premium_key_state' => 'valid',
      'installed_at' => '2019-11-11',
      'subscribers_count' => 3000,
      'premium_subscribers_limit' => 2500,
      'mss_subscribers_limit' => 500,
    ]);
    expect($subscribersFeature->check())->true();
  }

  public function testCheckReturnsFalseIfPremiumKeyExistsButLimitMissing() {
    $subscribersFeature = $this->constructWith([
      'mss_key_state' => 'invalid',
      'premium_key_state' => 'valid',
      'installed_at' => '2019-11-11',
      'subscribers_count' => 3000,
      'premium_subscribers_limit' => false,
      'mss_subscribers_limit' => false,
    ]);
    expect($subscribersFeature->check())->false();
  }

  public function testCheckReturnsFalseIfMSSKeyExistsButLimitMissing() {
    $subscribersFeature = $this->constructWith([
      'mss_key_state' => 'valid',
      'premium_key_state' => 'invalid',
      'installed_at' => '2019-11-11',
      'subscribers_count' => 3000,
      'premium_subscribers_limit' => false,
      'mss_subscribers_limit' => false,
    ]);
    expect($subscribersFeature->check())->false();
  }

  public function testCheckReturnsFalseIfPremiumPremiumSupportAndReachedLimit() {
    $subscribersFeature = $this->constructWith([
      'has_mss_key' => false,
      'mss_key_state' => 'valid',
      'premium_key_state' => 'valid',
      'has_premium_key' => true,
      'installed_at' => '2019-11-11',
      'subscribers_count' => 3000,
      'premium_subscribers_limit' => 2500,
      'mss_subscribers_limit' => 500,
      'support_tier' => 'premium',
      'subscribers_count_without_wp_users' => 10,
    ]);
    expect($subscribersFeature->check())->false();
  }

  private function constructWith($specs) {
    $settings = Stub::make(SettingsController::class, [
      'get' => function($name) use($specs) {
        if ($name === 'installed_at') return $specs['installed_at'];
        if ($name === SubscribersFeature::MSS_KEY_STATE) return $specs['mss_key_state'];
        if ($name === SubscribersFeature::PREMIUM_KEY_STATE) return $specs['premium_key_state'];
        if ($name === SubscribersFeature::PREMIUM_SUBSCRIBERS_LIMIT_SETTING_KEY) return $specs['premium_subscribers_limit'];
        if ($name === SubscribersFeature::MSS_SUBSCRIBERS_LIMIT_SETTING_KEY) return $specs['mss_subscribers_limit'];
        if ($name === SubscribersFeature::PREMIUM_SUPPORT_SETTING_KEY) return isset($specs['support_tier']) ? $specs['support_tier'] : 'free';
      },
    ]);
    $subscribersRepository = Stub::make(SubscribersRepository::class, [
      'getTotalSubscribers' => function() use($specs) {
        return $specs['subscribers_count'];
      },
      'getTotalSubscribersWithoutWPUsers' => function() use($specs) {
        return $specs['subscribers_count_without_wp_users'];
      },
    ]);

    return new SubscribersFeature($settings, $subscribersRepository);
  }
}