<?php

command_line_only();

$resource_types = get_resource_types();
$photo_exif_fields = get_exiftool_fields(1);
$doc_exif_fields = get_exiftool_fields(2);

// Create new photo only resource type field mapping
$fieldcolumns = get_resource_type_field_columns();
$savecolumns = array_filter($fieldcolumns, function ($v, $k) {
    return $k == "exiftool_field";
}, ARRAY_FILTER_USE_BOTH);
$newfield = create_resource_type_field("test 260 field", 1, FIELD_TYPE_TEXT_BOX_SINGLE_LINE, "260test");
save_resource_type_field($newfield, $savecolumns, ["exiftool_field" => "test260exifmapping"]);

$use_cases = [
    [
        'name' => 'Title field not returning expected mapping',
        'resource_types' => array_column($resource_types, "ref"),
        'expected_mappings' => [[8,"IPTC:ObjectName,XMP:title"]],
    ],
    [
        'name' => 'Fields not returning expected mapping',
        'resource_types' => [1],
        'expected_mappings' => [
                                [$newfield,"test260exifmapping"],
                                [87,"ExtDescrAccessibility"]
                            ],
        'expectedcount' => count($photo_exif_fields) + 1,
    ],
    [
        'name' => 'Check no additional document mappings are returned',
        'resource_types' => 2,
        'expectedcount' => count($doc_exif_fields),
    ],
    [
        'name' => 'Check optional node separator is applied to options',
        'resource_types' => [1],
        'option_separator' => NODE_NAME_STRING_SEPARATOR,
        'options_field' => 3  # Using Country field as it has many fixed list field options.
    ],
];

foreach ($use_cases as $uc) {
    $exif_fields = get_exiftool_fields($uc["resource_types"], (isset($uc['option_separator']) ? $uc['option_separator'] : ','));
    if (isset($uc['expectedcount']) && count($exif_fields) != $uc['expectedcount']) {
        echo "Use case: {$uc['name']} - invalid count: " . count($exif_fields) . ", expected {$uc['expectedcount']} ";
        return false;
    }

    if (isset($uc['expected_mappings'])) {
        foreach ($uc['expected_mappings'] as $expected_mapping) {
            $idx_field = array_search($expected_mapping[0], array_column($exif_fields, "ref"));
            if ($exif_fields[$idx_field]["exiftool_field"] != $expected_mapping[1]) {
                echo "Use case: {$uc['name']} - invalid mapping for field#{$expected_mapping[0]} {$exif_fields[$idx_field]["exiftool_field"]}, expected {$expected_mapping} ";
                return false;
            }
        }
    }

    if (isset($uc['option_separator']) && isset($uc['options_field'])) {
        $idx_field = array_search($uc['options_field'], array_column($exif_fields, "ref"));
        $options = explode($uc['option_separator'], $exif_fields[$idx_field]["options"]);
        if (count($options) === 1) {
            echo "Use case: {$uc['name']} - the custom separator was not applied. ";
            return false;
        }
    }
}

delete_resource_type_field($newfield);