<?php
namespace kuzik\meta;

require 'lib/config.php';

header('Content-Type: application/manifest+json');

# See https://developer.mozilla.org/en-US/docs/Web/Progressive_web_apps/How_to/Create_a_standalone_app

$mf=[
  'name'       =>$config['APP_NAME']??'App',
  'short_name' =>$config['APP_SHORT_NAME']??str_replace(' ','',$config['APP_NAME'])??'App',
  'start_url'  =>$config['APP_START_URL']??'/',
];


# "display": browser (default), standalone, minimal-ui, and fullscreen
# fallback for each given mode: fullscreen → standalone → minimal-ui → browser

$options=[
  'display',
  'description',
  'background_color',
  'theme_color',
];

foreach($options as $option) {
 $config_name='APP_'.strtoupper($option);
 isset($config[$config_name]) && $mf[$option] = $config[$config_name];
}

# Ensure override is set
if (isset($mf['display']) && !isset($mf['display_override'])) {
  $mf['display_override']= [
     'window-controls-overlay',
     $mf['display'],
     'browser',
  ];
}

$mf['icons'] = [
     ['src' => __ICO__.'/android-icon-36x36.png', 'sizes' => '36x36', 'type' => 'image/png', 'density' => '0.75' ],
     ['src' => __ICO__.'/android-icon-48x48.png', 'sizes' => '48x48', 'type' => 'image/png', 'density' => '1.0' ],
     ['src' => __ICO__.'/android-icon-72x72.png', 'sizes' => '72x72', 'type' => 'image/png', 'density' => '1.5' ],
     ['src' => __ICO__.'/android-icon-96x96.png', 'sizes' => '96x96', 'type' => 'image/png', 'density' => '2.0' ],
     ['src' => __ICO__.'/android-icon-144x144.png', 'sizes' => '144x144', 'type' => 'image/png', 'density' => '3.0' ],
     ['src' => __ICO__.'/android-icon-192x192.png', 'sizes' => '192x192', 'type' => 'image/png', 'density' => '4.0' ]
];

echo json_encode($mf,JSON_UNESCAPED_SLASHES|JSON_PRETTY_PRINT);