// Dump JSM request-type field definitions for validation and config review.
//
// Usage:
//   JIRA_SERVICE_DESK_ID=171 node scripts/discover-jsm-fields.js 289
//   node scripts/discover-jsm-fields.js 289 270

import dotenv from 'dotenv';
import fetch from 'node-fetch';
import fs from 'fs/promises';
import path from 'path';

dotenv.config();

const cloudId = process.env.JIRA_CLOUD_ID?.trim();
const baseUrl = cloudId
    ? `https://api.atlassian.com/ex/jira/${cloudId}`
    : (process.env.JIRA_BASE_URL || 'https://aeo.atlassian.net').replace(/\/$/, '');
const serviceDeskId = process.env.JIRA_SERVICE_DESK_ID || '171';
const email = process.env.JIRA_EMAIL;
const token = process.env.JIRA_API_TOKEN;

if (!email || !token) {
    console.error('JIRA_EMAIL and JIRA_API_TOKEN must be set in .env');
    process.exit(1);
}

const requestTypeIds = process.argv.slice(2).map(Number).filter(Boolean);
if (requestTypeIds.length === 0) {
    console.error('Usage: node scripts/discover-jsm-fields.js <requestTypeId> [requestTypeId...]');
    process.exit(1);
}

const headers = {
    Accept: 'application/json',
    'Content-Type': 'application/json',
    Authorization: `Basic ${Buffer.from(`${email}:${token}`).toString('base64')}`,
};

async function getFields(requestTypeId) {
    console.log(`Fetching fields for service desk ${serviceDeskId}, request type ${requestTypeId}...`);
    const url = `${baseUrl}/rest/servicedeskapi/servicedesk/${serviceDeskId}/requesttype/${requestTypeId}/field`;
    const response = await fetch(url, { headers });
    const data = await response.json();

    if (!response.ok) {
        console.error(`  error (${response.status}):`, data);
        return null;
    }

    const outputPath = path.join('config', `jsm-fields-${requestTypeId}.json`);
    await fs.mkdir(path.dirname(outputPath), { recursive: true });
    await fs.writeFile(outputPath, JSON.stringify(data, null, 2));
    console.log(`  saved ${outputPath}`);

    const required = (data.requestTypeFields || []).filter(field => field.required);
    if (required.length > 0) {
        console.log('  required fields:');
        for (const field of required) {
            console.log(`    - ${field.fieldId} (${field.name})`);
        }
    }

    return data;
}

for (const requestTypeId of requestTypeIds) {
    await getFields(requestTypeId);
}

console.log('\nDone.');