lunarfront-app/packages/backend/__tests__/utils/email-templates.test.ts

import { describe, it, expect } from 'bun:test'
import {
  renderReceiptEmailHtml,
  renderReceiptEmailText,
  renderEstimateEmailHtml,
  renderEstimateEmailText,
} from '../../src/utils/email-templates.js'

const mockReceipt = {
  transaction: {
    transactionNumber: 'TXN-20260405-001',
    subtotal: '100.00',
    discountTotal: '10.00',
    taxTotal: '7.43',
    total: '97.43',
    paymentMethod: 'cash',
    amountTendered: '100.00',
    changeGiven: '2.57',
    roundingAdjustment: null,
    completedAt: '2026-04-05T12:00:00Z',
    lineItems: [
      { description: 'Guitar Strings', qty: 2, unitPrice: '12.99', taxAmount: '2.14', lineTotal: '25.98', discountAmount: null },
      { description: 'Tuner', qty: 1, unitPrice: '74.02', taxAmount: '5.29', lineTotal: '74.02', discountAmount: null },
    ],
  },
  company: { name: 'Test Store', phone: '555-1234', email: 'store@test.com', address: { street: '123 Main St', city: 'Austin', state: 'TX', zip: '78701' } },
  location: null,
}

const mockTicket = {
  ticketNumber: 'RPR-001',
  customerName: 'Jane Doe',
  customerPhone: '555-5678',
  itemDescription: 'Acoustic Guitar',
  serialNumber: 'AG-12345',
  problemDescription: 'Cracked neck joint',
  estimatedCost: '250.00',
  promisedDate: '2026-04-12',
  status: 'pending_approval',
}

const mockLineItems = [
  { itemType: 'labor', description: 'Neck repair', qty: 1, unitPrice: '150.00', totalPrice: '150.00' },
  { itemType: 'part', description: 'Wood glue & clamps', qty: 1, unitPrice: '25.00', totalPrice: '25.00' },
  { itemType: 'flat_rate', description: 'Setup & restring', qty: 1, unitPrice: '75.00', totalPrice: '75.00' },
]

const mockCompany = { name: 'Test Store', phone: '555-1234', email: 'store@test.com', address: null }

describe('renderReceiptEmailHtml', () => {
  it('renders HTML with transaction details', () => {
    const html = renderReceiptEmailHtml(mockReceipt as any)
    expect(html).toContain('TXN-20260405-001')
    expect(html).toContain('Test Store')
    expect(html).toContain('Guitar Strings')
    expect(html).toContain('Tuner')
    expect(html).toContain('$97.43')
    expect(html).toContain('$100.00')
    expect(html).toContain('Powered by LunarFront')
  })

  it('includes discount when present', () => {
    const html = renderReceiptEmailHtml(mockReceipt as any)
    expect(html).toContain('Discount')
    expect(html).toContain('$10.00')
  })

  it('includes payment details for cash', () => {
    const html = renderReceiptEmailHtml(mockReceipt as any)
    expect(html).toContain('Cash')
    expect(html).toContain('$2.57')
  })

  it('includes receipt config when provided', () => {
    const config = { receipt_footer: 'Thank you!', receipt_return_policy: '30-day returns' }
    const html = renderReceiptEmailHtml(mockReceipt as any, config)
    expect(html).toContain('Thank you!')
    expect(html).toContain('30-day returns')
  })

  it('includes company address', () => {
    const html = renderReceiptEmailHtml(mockReceipt as any)
    expect(html).toContain('123 Main St')
    expect(html).toContain('Austin')
  })
})

describe('renderReceiptEmailText', () => {
  it('renders plain text with transaction details', () => {
    const text = renderReceiptEmailText(mockReceipt as any)
    expect(text).toContain('TXN-20260405-001')
    expect(text).toContain('Guitar Strings')
    expect(text).toContain('Total: $97.43')
    expect(text).toContain('Cash')
  })
})

describe('renderEstimateEmailHtml', () => {
  it('renders HTML with ticket details', () => {
    const html = renderEstimateEmailHtml(mockTicket as any, mockLineItems as any, mockCompany as any)
    expect(html).toContain('RPR-001')
    expect(html).toContain('Jane Doe')
    expect(html).toContain('Acoustic Guitar')
    expect(html).toContain('AG-12345')
    expect(html).toContain('Cracked neck joint')
    expect(html).toContain('$250.00')
    expect(html).toContain('Powered by LunarFront')
  })

  it('renders line items with types', () => {
    const html = renderEstimateEmailHtml(mockTicket as any, mockLineItems as any, mockCompany as any)
    expect(html).toContain('Labor')
    expect(html).toContain('Neck repair')
    expect(html).toContain('Part')
    expect(html).toContain('Flat Rate')
    expect(html).toContain('Setup & restring')
  })

  it('includes promised date', () => {
    const html = renderEstimateEmailHtml(mockTicket as any, mockLineItems as any, mockCompany as any)
    expect(html).toContain('Estimated completion')
    expect(html).toContain('Apr')
  })

  it('renders without line items using estimatedCost', () => {
    const html = renderEstimateEmailHtml(mockTicket as any, [], mockCompany as any)
    expect(html).toContain('$250.00')
  })

  it('includes company phone', () => {
    const html = renderEstimateEmailHtml(mockTicket as any, mockLineItems as any, mockCompany as any)
    expect(html).toContain('555-1234')
  })
})

describe('renderEstimateEmailText', () => {
  it('renders plain text with ticket details', () => {
    const text = renderEstimateEmailText(mockTicket as any, mockLineItems as any, mockCompany as any)
    expect(text).toContain('RPR-001')
    expect(text).toContain('Jane Doe')
    expect(text).toContain('Neck repair')
    expect(text).toContain('$250.00')
  })
})