<?php
/**
 * Fetch Lookupdomains Data for ECOMMERCE Model
 * This script retrieves all allowed fields for the ECOMMERCE metadata model
 */

// Increase memory limit for large responses
ini_set('memory_limit', '512M');

require_once 'src/TestRunner.php';
require_once 'config_v3.php';

echo "=== Fetching DAM Lookup Domains ===\n\n";

// Setup configuration
$config = new ConfigV3();
$baseUrl = $config->getBaseUrl();
$collectionPath = $config->get('postman_collection');

echo "Base URL: $baseUrl\n";
echo "Collection: $collectionPath\n\n";

// Create TestRunner to handle authentication
$testRunner = new TestRunner($collectionPath, [
    'baseUrl' => $baseUrl,
    'timeout' => 60
]);

// Manual API call to lookupdomains endpoint
echo "Step 1: Getting OAuth token...\n";

// Access the OAuth handler through TestRunner
$reflection = new ReflectionClass($testRunner);
$property = $reflection->getProperty('oauth2Handler');
$property->setAccessible(true);
$oauth2Handler = $property->getValue($testRunner);

if (!$oauth2Handler) {
    die("ERROR: Could not get OAuth handler\n");
}

try {
    $accessToken = $oauth2Handler->getAccessToken();
    echo "✓ Token obtained\n\n";
} catch (Exception $e) {
    die("ERROR: Failed to get access token: " . $e->getMessage() . "\n");
}

// First, list all available lookup domains
echo "Step 2: Listing all available lookup domains...\n";

$url = $baseUrl . '/v6/lookupdomains';

$ch = curl_init();
curl_setopt_array($ch, [
    CURLOPT_URL => $url,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer ' . $accessToken,
        'Content-Type: application/json'
    ],
    CURLOPT_TIMEOUT => 60
]);

$response = curl_exec($ch);
$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
$error = curl_error($ch);
curl_close($ch);

if ($error) {
    die("ERROR: cURL error: $error\n");
}

if ($httpCode !== 200) {
    die("ERROR: HTTP $httpCode - Response: " . substr($response, 0, 500) . "\n");
}

echo "✓ Response received (HTTP $httpCode)\n\n";

// Save raw response first (without parsing to save memory)
$jsonFile = 'DAM_LOOKUPDOMAINS_RAW.json';
file_put_contents($jsonFile, $response);
echo "✓ Raw JSON saved to: $jsonFile (" . strlen($response) . " bytes)\n\n";

// Parse response
$data = json_decode($response, true);

if (!$data) {
    die("ERROR: Failed to parse JSON response\n");
}

// Generate Markdown documentation
echo "Step 3: Generating Markdown documentation...\n";

$md = "# DAM Lookup Domains - All Available Fields\n\n";
$md .= "**Generated:** " . date('Y-m-d H:i:s') . "\n";
$md .= "**Endpoint:** `GET /v6/lookupdomains`\n";
$md .= "**Base URL:** $baseUrl\n\n";
$md .= "---\n\n";

// Check structure and create summary only
if (isset($data['lookup_domains_resource']['lookup_domains'])) {
    $lookups = $data['lookup_domains_resource']['lookup_domains'];
    $md .= "## Overview\n\n";
    $md .= "Total lookup domains: " . count($lookups) . "\n\n";
    $md .= "---\n\n";
    $md .= "## Lookup Domains Summary\n\n";
    $md .= "| Domain ID | Datatype | Values Count | Example Value |\n";
    $md .= "|-----------|----------|--------------|---------------|\n";

    foreach ($lookups as $lookup) {
        $domainId = $lookup['domainId'] ?? 'N/A';
        $datatype = $lookup['datatype'] ?? 'N/A';
        $domainValues = $lookup['domainValues'] ?? [];
        $valueCount = count($domainValues);

        // Get first value as example
        $exampleValue = 'N/A';
        if ($valueCount > 0 && isset($domainValues[0]['field_value']['value'])) {
            $exampleValue = $domainValues[0]['field_value']['value'];
            if (strlen($exampleValue) > 30) {
                $exampleValue = substr($exampleValue, 0, 27) . '...';
            }
        }

        $md .= "| `$domainId` | $datatype | $valueCount | `$exampleValue` |\n";
    }

    $md .= "\n";
    $md .= "> **Note:** Full details and all allowed values are available in `DAM_LOOKUPDOMAINS_RAW.json`\n\n";
    $md .= "---\n\n";
} else {
    $md .= "## No lookup domains found\n\n";
    $md .= "See `DAM_LOOKUPDOMAINS_RAW.json` for raw response.\n\n";
}

$md .= "---\n\n";
$md .= "## Usage in Asset Upload\n\n";
$md .= "These lookup domains define the allowed values for metadata fields in the ECOMMERCE model.\n\n";
$md .= "When uploading an asset, you must use field IDs and values from these domains.\n\n";
$md .= "### Example Usage\n\n";
$md .= "```json\n";
$md .= "{\n";
$md .= '  "id": "FERRERO.FIELD.MKTG.ASSET TYPE",\n';
$md .= '  "value": {\n';
$md .= '    "domain_value": true,\n';
$md .= '    "value": {\n';
$md .= '      "type": "string",\n';
$md .= '      "value": "heroimage"  // Must be from allowed values\n';
$md .= "    }\n";
$md .= "  }\n";
$md .= "}\n";
$md .= "```\n\n";

$mdFile = 'ECOMMERCE_ALLOWED_FIELDS.md';
file_put_contents($mdFile, $md);
echo "✓ Markdown documentation saved to: $mdFile\n\n";

// Summary
echo "=== SUMMARY ===\n";
echo "✓ Successfully fetched ECOMMERCE lookupdomains\n";
echo "✓ Files created:\n";
echo "  - $jsonFile (raw JSON data)\n";
echo "  - $mdFile (formatted documentation)\n";
echo "\nDone!\n";