<?php

if (!defined('ABSPATH')) {
    exit;
}

class AdGhost_Default_Ad_Units {

    private static function unit($id, $name, $sizes, $label, $placement, array $extra = []) {
        return array_merge([
            'id'            => $id,
            'name'          => $name,
            'slotName'      => 'div-gpt-ad-' . $id,
            'sizes'         => $sizes,
            'label'         => $label,
            'gamPlacement'  => $placement,
            'type'          => 'standard',
            'position'      => '',
            'devices'       => '',
            'device'        => 'both',
            'enabled'       => true,
            'isDefault'     => true,
            'isLazy'        => true,
            'isAnchor'      => false,
            'floatToCorner' => false,
            'spotSticky'    => false,
            'feature'       => 'none',
        ], $extra);
    }

    public static function get_defaults($network_code = '') {
        return [
            self::unit('sticky_footer_anchor', 'Sticky Footer Anchor', '300x50;300x100;320x50;320x100;728x90;970x90;1x1', 'Sticky Anchor', 'ROS_Sticky_Footer',
                ['position' => 'anchor', 'isAnchor' => true, 'isLazy' => false]),
            self::unit('bottom_btf', 'Bottom BTF', '300x250;336x280;728x90;728x250;970x90;970x250;1x1', 'Pre-Footer Ad', 'ROS_Pre-Footer_BTF',
                ['position' => 'footer']),
            self::unit('incontent', 'Incontent Lazy', '250x250;300x250;336x280', 'In-Content', 'In-Article_All',
                ['position' => 'incontent', 'insertionRule' => 'auto', 'insertionValue' => 3]),
            self::unit('interstitial_ad', 'Interstitial', 'out-of-page', 'Interstitial', 'Special_Interstitial',
                ['type' => 'interstitial', 'isLazy' => false]),
            self::unit('reward', 'Reward', '1x1', 'Reward', 'Special_Reward',
                ['type' => 'reward', 'isLazy' => false]),
            self::unit('sidebar_left_atf', 'Sidebar Left ATF', '160x600;300x600;300x250;336x280;1x1', 'Left Sticky Sidebar', 'ROS_Sticky_Sidebars',
                ['position' => 'sidebar', 'insertionValue' => 1, 'devices' => 'desktop', 'device' => 'desktop']),
            self::unit('sidebar_right_atf', 'Sidebar Right ATF', '160x600;300x600;300x250;336x280;1x1', 'Right Sticky Sidebar', 'ROS_Sticky_Sidebars',
                ['position' => 'sidebar', 'insertionValue' => 2, 'devices' => 'desktop', 'device' => 'desktop']),
            self::unit('top_leaderboard_atf', 'Top Leaderboard ATF', '300x250;320x50;320x100;336x280;728x90;728x250;970x90;970x250;1x1', 'Top Leaderboard', 'ROS_ATF_Leaderboard',
                ['position' => 'header', 'isLazy' => false]),
        ];
    }

    public static function get_pro_defaults($network_code = '') {
        return [
            self::unit('spotsticky', 'Spot Sticky', '250x250;300x250;336x280', 'Spot Sticky', 'In-Article_All',
                ['position' => 'incontent', 'feature' => 'sticky', 'spotSticky' => true, 'devices' => 'desktop', 'device' => 'desktop', 'insertionRule' => 'after_n', 'insertionValue' => 2]),
            self::unit('float_to_corner', 'Float to Corner', '250x250;300x250;336x280', 'Float to Corner', 'In-Article_All',
                ['position' => 'incontent', 'feature' => 'float', 'floatToCorner' => true, 'devices' => 'desktop', 'device' => 'desktop', 'insertionRule' => 'after_n', 'insertionValue' => 5]),
        ];
    }

    public static function fill_from_default(array $unit) {
        static $by_code = null;
        if ($by_code === null) {
            $by_code = [];
            foreach (array_merge(self::get_defaults(), self::get_pro_defaults()) as $default) {
                $by_code[$default['id']] = $default;
            }
        }
        $default = $by_code[$unit['id'] ?? ''] ?? null;
        if ($default === null) {
            return $unit;
        }

        $explicit = !empty($unit['position']) || !empty($unit['isAnchor']) || !empty($unit['floatToCorner'])
            || (($unit['placementMode'] ?? 'auto') === 'manual')
            || !empty($unit['positionChosen'])
            || in_array($unit['type'] ?? 'standard', ['interstitial', 'reward'], true);
        if (!$explicit && ($default['type'] ?? 'standard') === 'standard' && ($unit['type'] ?? 'standard') === 'standard') {
            $unit['position'] = $default['position'];
            if (!isset($unit['insertionValue']) && isset($default['insertionValue'])) {
                $unit['insertionValue'] = $default['insertionValue'];
            }
        }
        foreach (['label', 'gamPlacement'] as $key) {
            if (empty($unit[$key])) {
                $unit[$key] = $default[$key];
            }
        }
        return $unit;
    }

    public static function get_all_defaults($network_code = '') {
        return self::get_defaults($network_code);
    }

    public static function units_saved() {
        return (bool) get_option('adghost_units_saved', false) || !empty(get_option('adghost_ad_units', []));
    }

    public static function maybe_initialize_defaults($network_code) {
        if (self::units_saved()) {
            return false;
        }

        update_option('adghost_ad_units', self::get_all_defaults($network_code));
        AdGhost_Helper::flush_units_cache();

        return true;
    }
}