<?php

class MinecraftPaymentPlugin extends Plugin
{
    public static function get_plugin_name(): string
    {
        return 'Minecraft-Payment';
    }

    public function __construct( $_DB )
    {
        $this->require_class( 'RCon' );
    }

    public function has_page(): bool
    {
        return true;
    }

    public function get_page_path()
    {
        return [
            '/minecraft-pay/settle' => 'settle_view'
        ];
    }

    public function pre_load_plugin()
    {
        $this->register_component_short( 'SettingsList' );
        $this->add_route( '/minecraft-pay/settings', 'SettingsList' );
        $this->register_component_short( 'Settings' );
        $this->add_route( '/minecraft-pay/settings/:id', 'Settings' );
        $this->register_component_short( 'UsersList' );
        $this->add_route( '/minecraft-pay/users', 'UsersList' );
        $this->register_component_short( 'MinecraftUsers' );
        $this->add_route( '/minecraft-pay/users/:id', 'MinecraftUsers' );
        $this->register_component_short( 'AlterAccount' );
        $this->add_route( '/minecraft-pay/acredit', 'AlterAccount' );
        $this->register_component_short( 'AccountList' );
        $this->add_route( '/minecraft-pay/balance', 'AccountList' );
        $this->register_component_short( 'GrantUser' );
        $this->add_route( '/minecraft-pay/grant', 'GrantUser' );

        $this->require_class( 'MinecraftPayAPI' );
        API::REGISTER_CLASS( new MinecraftPayAPI(), 3, 'minecraft-pay/' );
    }

    private function settle( $m, $y )
    {
        $mp = MinecraftMonthPaid::GetByUnique( 0, $m, $y );
        if ( $mp ) {
            echo __( [ 'de' => 'Bereits abgerechnet', 'en' => 'Already settled' ] );
            return;
        }

        $sum = 0;

        foreach ( MinecraftServer::GetAll() as $server ) {
            $m = strlen( $m ) == 2 ? $m : '0' . $m;
            $f = "$y-$m-01";
            $cap = date( 't', strtotime( $f ) );
            $l = "$y-$m-$cap";
            $sid = $server->ID;

            $subscribers = MinecraftServerSubscription::GetAll( "ConcerningServerID = $sid AND SubscriptionDate BETWEEN '$f' AND '$l'" );

            $subsCount = count( $subscribers );
            $pot = $subsCount * $server->GetPerMonthPrice();
            $potPart = ceil( ( $pot / $subsCount ) * 100 ) / 100;
            if ( $pot == 0 ) continue;
            $potPart *= -1;
            if ( $pot > $server->GetMaxPerMonthPrice() ) $pot = $server->GetMaxPerMonthPrice();
            $sum += $pot;

            /* $dayssum = 0;

            $subs = [];
            $sum += $pot;
            $potheap = 0;
            $dayssumheap = 0;

            foreach( $subscribers as $subscriber ) {
                $days = date( 'd', strtotime( $subscriber->GetSubscriptionDate() ) );
                $dayssum += $days;
                $subs[] = [ $days, $subscriber ];
            }

            foreach ( $subs as $subscription ) {
                $price = $pot * ( $dayssum / $subscription[ 0 ] )
            }*/

            foreach ( $subscribers as $subscriber ) {
                $u = $subscriber->GetUnlockedUser()->GetOwner();

                $ac = new MinecraftUserAccount();
                $ac->SetMod( $potPart );
                $ac->SetDebtor( $u );
                $ac->SetComment( 'Host-Relief for ' . $server->GetName() . ' for ' . $m . '-' . $y );
                $ac->Save();
            }

            $server->ClearWhitelist();
        }

        $mp = new MinecraftMonthPaid();
        $mp->SetAmount( $sum );
        $mp->SetMonth( $m );
        $mp->SetYear( $y );
        if ( $mp->Save() ) {
            echo __( [ 'de' => 'Abrechnung beendet', 'en' => 'Settled' ] );
        }
    }

    public function settle_view( string $url )
    {
        //  ORDER BY Year DESC, Month DESC LIMIT 1

        $nwst = MinecraftMonthPaid::GetAll( "1 ORDER BY Year DESC, Month DESC LIMIT 1" )[ 0 ];
        if ( !$nwst ) {
            $nwst = new MinecraftMonthPaid();
            $nwst->SetMonth( date( 'm' ) );
            $nwst->SetYear( date( 'Y' ) );
        }

        $m = array_key_exists( 'month', $_GET ) ? $_GET[ 'month' ] + 1 : date( 'm' );
        $y = array_key_exists( 'year', $_GET ) ? $_GET[ 'year' ] : date( 'Y' );
        if ( $m == '0' ) {
            $m = '12';
            $y--;
        }

        $start = ( new DateTime( $nwst->GetYear() . '-' . $nwst->GetMonth() . '-' . '01' ) )->modify( 'first day of next month' );
        $end = ( new DateTime( date( "$y-$m-01" ) ) )->modify( 'first day of this month' );
        $interval = DateInterval::createFromDateString( '1 month' );
        $period = new DatePeriod( $start, $interval, $end );

        $settled = false;
        foreach ( $period as $dt ) {
            $settled = true;
            echo 'Settling ' . $dt->format( "Y-m" ) . ': ';
            $this->settle( $dt->format( 'm' ), $dt->format( 'Y' ) );
            echo "<br>\n";
        }

        if ( !$settled ) {
            echo 'Nothing to settle';
        }
    }

    public function load_plugin()
    {
        if ( is_null( Permission::GetByUnique( 0, 'Minecraft-Pay-Settings' ) ) ) {
            $p = Permission::FromArray( [], [] );
            $p->SetName( 'Minecraft-Pay-Settings' );
            $p->SetSlug( slugify( 'Minecraft-Pay-Settings' ) );
            $p->Save();
        }
        if ( is_null( Permission::GetByUnique( 0, 'Minecraft-Possess-User' ) ) ) {
            $p = Permission::FromArray( [], [] );
            $p->SetName( 'Minecraft-Possess-User' );
            $p->SetSlug( slugify( 'Minecraft-Possess-User' ) );
            $p->Save();
        }

        if ( User::ONLINE() && Permission::PERMITTED( 'Minecraft-Possess-User' ) ) {
            $me = new MenuEntry( 'Minecraft Payment' );
            $me->addImageFromResource( 'minecraft.svg', MinecraftPaymentPlugin::get_plugin_name() );
            $me->setFilter( 'none' );

            if ( Permission::PERMITTED( 'Minecraft-Pay-Settings' ) ) {
                $sub = new MenuEntry( 'Minecraft Payment', HOME_URL . 'minecraft-pay/settings' );
                $sub->addImageFromResource( 'settings.svg', Plugin_Plugin::get_plugin_name() );
                $me->addSubEntry( $sub );
            }

            $sub = new MenuEntry( [ 'de' => 'Minecraft Benutzer', 'en' => 'Minecraft Users' ], HOME_URL . 'minecraft-pay/users' );
            $sub->addImageFromResource( 'users.svg', UserManager_Plugin::get_plugin_name() );
            $me->addSubEntry( $sub );

            if ( Permission::PERMITTED( 'Minecraft-Pay-Settings' ) ) {
                $sub = new MenuEntry( [ 'de' => 'Gutschrift', 'en' => 'Credit' ], HOME_URL . 'minecraft-pay/acredit' );
                $sub->addImageFromResource( 'cash.svg', MinecraftPaymentPlugin::get_plugin_name() );
                $me->addSubEntry( $sub );
            }

            $sub = new MenuEntry( [ 'de' => 'Transaktionen', 'en' => 'Transactions' ], HOME_URL . 'minecraft-pay/balance' );
            $sub->addImageFromResource( 'cash.svg', MinecraftPaymentPlugin::get_plugin_name() );
            $me->addSubEntry( $sub );

            if ( Permission::PERMITTED( 'Minecraft-Pay-Settings' ) ) {
                $sub = new MenuEntry( [ 'de' => 'Recht gew&auml;hren', 'en' => 'Grant right' ], HOME_URL . 'minecraft-pay/grant' );
                $sub->addImageFromResource( 'key.svg', MinecraftPaymentPlugin::get_plugin_name() );
                $me->addSubEntry( $sub );
            }

            SideMenu::addMainMenuEntry( $me );
        }
    }
}