const authenticatedUser = {
  id: 7,
  email: 'user@example.com',
}

const browserToday = '2026-08-15'

function interceptDashboardRequests(): void {
  cy.intercept('GET', '**/api/me', {
    statusCode: 200,
    body: { user: authenticatedUser },
  }).as('me')
  cy.intercept('GET', '**/api/sets', {
    statusCode: 200,
    body: { sets: [] },
  }).as('sets')
  cy.intercept('GET', '**/api/schedules', {
    statusCode: 200,
    body: { schedules: [] },
  }).as('schedules')
}

describe("today's assignments", () => {
  beforeEach(() => {
    cy.clock(new Date(2026, 7, 15, 0, 30).getTime())
    interceptDashboardRequests()
  })

  it('uses the browser date and links every assignment to its schedule', () => {
    cy.intercept('GET', `**/api/assignments?date=${browserToday}`, (request) => {
      expect(request.headers.accept).to.equal('application/json')
      request.reply({
        statusCode: 200,
        body: {
          date: browserToday,
          assignments: [
            {
              id: 12,
              schedule: {
                id: 73,
                set: { name: 'Bible' },
              },
              element: {
                name: 'Chapter 1',
                kind: 'Chapter_sections-v2',
                path: ['Genesis', 'Creation', 'Chapter 1'],
              },
            },
            {
              id: 13,
              schedule: {
                id: 81,
                set: { name: 'Course' },
              },
              element: {
                name: 'Introduction',
                kind: 'lesson',
                path: ['Introduction'],
              },
            },
          ],
        },
      })
    }).as('todayAssignments')

    cy.visit('/dashboard')
    cy.wait('@me')
    cy.wait('@todayAssignments')

    cy.get('#today-heading').should('have.text', 'Today')
    cy.get('[data-today-date]').should(
      'have.attr',
      'data-today-date',
      browserToday,
    )
    cy.get('ul[aria-label="Today\'s assignments"] > li').should(
      'have.length',
      2,
    )
    cy.contains('a', 'Genesis / Creation / Chapter 1')
      .should('contain.text', 'Bible')
      .and('have.attr', 'href', '/schedules/73')
    cy.contains('a', 'Introduction')
      .should('contain.text', 'Course')
      .and('have.attr', 'href', '/schedules/81')
    cy.get('.today-assignment__kind')
      .first()
      .should('have.text', 'Chapter_sections-v2')
      .and('have.css', 'text-transform', 'none')
  })

  it('shows loading and empty states', () => {
    cy.intercept('GET', `**/api/assignments?date=${browserToday}`, {
      delay: 500,
      statusCode: 200,
      body: {
        date: browserToday,
        assignments: [],
      },
    }).as('todayAssignments')

    cy.visit('/dashboard')
    cy.wait('@me')
    cy.get('.today-assignments [role="status"]').should(
      'have.text',
      "Loading today's assignments...",
    )
    cy.wait('@todayAssignments')

    cy.get('.today-assignments [role="status"]').should(
      'have.text',
      'Nothing is assigned for today.',
    )
  })

  it('retries independently after the request fails', () => {
    let requestCount = 0
    cy.intercept(
      'GET',
      `**/api/assignments?date=${browserToday}`,
      (request) => {
        requestCount += 1
        request.alias = `todayAssignments${requestCount}`

        if (requestCount === 1) {
          request.reply({ statusCode: 500 })
          return
        }

        request.reply({
          statusCode: 200,
          body: {
            date: browserToday,
            assignments: [],
          },
        })
      },
    )

    cy.visit('/dashboard')
    cy.wait('@me')
    cy.wait('@todayAssignments1')

    cy.get('.today-assignments [role="alert"]')
      .should('contain.text', "We couldn't load today's assignments.")
      .within(() => {
        cy.contains('button', 'Try again').click()
      })
    cy.get('#schedules-heading').should('have.text', 'Your schedules')
    cy.wait('@todayAssignments2')

    cy.get('.today-assignments [role="status"]').should(
      'have.text',
      'Nothing is assigned for today.',
    )
  })
})