// Verifies that when a non-admin edits a recipe tagged 再次审核,
// an admin-targeted notification is created containing a before/after diff.
describe('Re-review notification on non-admin edit', () => {
  let adminToken
  let viewerToken
  let recipeId

  before(() => {
    cy.getAdminToken().then(t => {
      adminToken = t
      const uname = 'editor_' + Date.now()
      cy.request({
        method: 'POST', url: '/api/register',
        body: { username: uname, password: 'pw12345678' }
      }).then(res => {
        viewerToken = res.body.token
        // Look up user id via admin /api/users, then promote to editor
        cy.request({ url: '/api/users', headers: { Authorization: `Bearer ${adminToken}` } })
          .then(r => {
            const u = r.body.find(x => x.username === uname)
            cy.request({
              method: 'PUT', url: `/api/users/${u.id}`,
              headers: { Authorization: `Bearer ${adminToken}` },
              body: { role: 'editor' },
            })
          })
      })
    })
  })

  it('creates admin notification with diff lines', () => {
    // Editor creates their own recipe tagged 再次审核
    cy.request({
      method: 'POST', url: '/api/recipes',
      headers: { Authorization: `Bearer ${viewerToken}` },
      body: {
        name: 're-review-fixture-' + Date.now(),
        ingredients: [{ oil_name: '薰衣草', drops: 3 }],
        tags: ['再次审核'],
      },
    }).then(res => {
      recipeId = res.body.id
      expect(recipeId).to.be.a('number')
    })

    // Mark notifications read so we can detect the new one
    cy.request({
      method: 'POST', url: '/api/notifications/read-all',
      headers: { Authorization: `Bearer ${adminToken}` }, body: {},
    })

    // Non-admin edits the recipe
    cy.then(() => {
      cy.request({
        method: 'PUT', url: `/api/recipes/${recipeId}`,
        headers: { Authorization: `Bearer ${viewerToken}` },
        body: {
          ingredients: [{ oil_name: '薰衣草', drops: 5 }, { oil_name: '柠檬', drops: 2 }],
          note: '新备注',
        },
      }).then(r => expect(r.status).to.eq(200))
    })

    // Admin sees a new unread notification mentioning the recipe and diff
    cy.then(() => {
      cy.request({ url: '/api/notifications', headers: { Authorization: `Bearer ${adminToken}` } })
        .then(res => {
          const unread = res.body.filter(n => !n.is_read && n.title && n.title.includes('再次审核配方被修改'))
          expect(unread.length).to.be.greaterThan(0)
          expect(unread[0].body).to.match(/成分|备注/)
          expect(unread[0].body).to.contain('→')
        })
    })
  })

  it('admin edits do NOT create re-review notification', () => {
    cy.request({
      method: 'POST', url: '/api/notifications/read-all',
      headers: { Authorization: `Bearer ${adminToken}` }, body: {},
    })
    cy.request({
      method: 'PUT', url: `/api/recipes/${recipeId}`,
      headers: { Authorization: `Bearer ${adminToken}` },
      body: { note: '管理员备注' },
    })
    cy.request({ url: '/api/notifications', headers: { Authorization: `Bearer ${adminToken}` } })
      .then(res => {
        const unread = res.body.filter(n => !n.is_read && n.title && n.title.includes('再次审核配方被修改'))
        expect(unread.length).to.eq(0)
      })
  })
})