import { describe, it } from 'node:test';
import assert from 'node:assert/strict';
import {
    buildDetailLinesForRequestType,
    formatEasternDateTime,
    formatFieldValue,
    getDisplayFieldsForRequestType,
} from '../lib/requestTypeFields.js';

const sampleTicket = {
    transition: {
        transitionName: 'Manager Approval',
        from_status: 'New Request',
        to_status: 'Pending Approval',
    },
    user: { displayName: 'Automation for Jira' },
    issue: {
        fields: {
            priority: { value: 'Medium' },
            reporter: { displayName: 'Savannah Davis' },
            customfield_10346: 'Davis',
            customfield_10314: 'Savannah',
            customfield_10318: 'Analyst',
            customfield_10310: { value: 'Full Time' },
            customfield_10353: [{ label: 'IT Operations' }],
            summary: 'Application Access for Savannah Davis',
        },
    },
};

describe('getDisplayFieldsForRequestType', () => {
    it('returns fields for Application Access including common and groups', () => {
        const fields = getDisplayFieldsForRequestType('209');
        const labels = fields.map(f => f.label);
        assert.ok(!labels.includes('Reporter'));
        assert.ok(labels.includes('First name'));
        assert.ok(labels.includes('IT'));
    });

    it('returns change management fields for request type 177', () => {
        const fields = getDisplayFieldsForRequestType('177');
        const labels = fields.map(f => f.label);
        assert.ok(labels.includes('Rollback plan'));
        assert.ok(labels.includes('Implementation date'));
    });

    it('uses summaryOnly for legacy single-field forms', () => {
        const fields = getDisplayFieldsForRequestType('211');
        const labels = fields.map(f => f.label);
        assert.ok(labels.includes('Description'));
        assert.ok(!labels.includes('Summary'));
        assert.ok(!labels.includes('First name'));
    });

    it('returns Service Request fields for request type 194', () => {
        const fields = getDisplayFieldsForRequestType('194');
        const labels = fields.map(f => f.label);
        assert.ok(labels.includes('Department'));
        assert.ok(labels.includes('Reason for request'));
        assert.ok(!labels.includes('First name'));
    });
});

describe('formatFieldValue', () => {
    it('formats option and user values', () => {
        assert.equal(formatFieldValue({ value: 'High' }, 'option'), 'High');
        assert.equal(formatFieldValue({ displayName: 'Jane Doe' }, 'user'), 'Jane Doe');
    });

    it('formats cmdb arrays', () => {
        assert.equal(
            formatFieldValue([{ label: 'Store 123' }, { label: 'Store 456' }], 'cmdb'),
            'Store 123, Store 456'
        );
    });

    it('formats datetimes in Eastern time', () => {
        const formatted = formatFieldValue('2026-07-28T20:33:16.000Z', 'datetime');
        assert.match(formatted, /EDT|EST/);
        assert.match(formatted, /7\/28\/2026/);
        assert.doesNotMatch(formatted, /20:33:16/);
    });
});

describe('buildDetailLinesForRequestType', () => {
    it('builds populated lines from webhook payload', () => {
        const lines = buildDetailLinesForRequestType(sampleTicket, '209');
        const byLabel = Object.fromEntries(lines.map(line => [line.label, line.value]));

        assert.equal(byLabel['Approval step'], 'Manager Approval');
        assert.equal(byLabel['First name'], 'Savannah');
        assert.equal(byLabel['Position/Title'], 'Analyst');
        assert.equal(byLabel.Department, 'IT Operations');
    });
});