describe('Responsive Design', () => {
  describe('Mobile viewport (375x667)', () => {
    beforeEach(() => {
      cy.viewport(375, 667)
    })

    it('loads the app on mobile', () => {
      cy.visit('/')
      cy.get('.app-header').should('be.visible')
      cy.contains('doTERRA').should('be.visible')
    })

    it('nav tabs are scrollable', () => {
      cy.visit('/')
      cy.get('.nav-tabs').should('have.css', 'overflow-x', 'auto')
    })

    it('recipe cards stack in single column', () => {
      cy.visit('/')
      cy.get('.recipe-card', { timeout: 10000 }).should('have.length.gte', 1)
      // On mobile, cards should be full width
      cy.get('.recipe-card').first().then($card => {
        const width = $card.outerWidth()
        expect(width).to.be.gte(300)
      })
    })

    it('search input is usable on mobile', () => {
      cy.visit('/')
      cy.get('input[placeholder*="搜索"]').should('be.visible')
      cy.get('input[placeholder*="搜索"]').type('薰衣草')
      cy.get('input[placeholder*="搜索"]').should('have.value', '薰衣草')
    })

    it('oil reference page works on mobile', () => {
      cy.visit('/oils')
      cy.contains('精油价目').should('be.visible')
      cy.get('.oil-chip').should('have.length.gte', 1)
    })
  })

  describe('Mobile edit recipe overlay (375x667)', () => {
    let adminToken

    before(() => {
      cy.getAdminToken().then(token => { adminToken = token })
    })

    beforeEach(() => {
      cy.viewport(375, 667)
      cy.visit('/manage', {
        onBeforeLoad(win) {
          win.localStorage.setItem('oil_auth_token', adminToken)
        }
      })
      cy.get('.recipe-manager', { timeout: 10000 }).should('exist')
      cy.contains('公共配方库', { timeout: 10000 }).should('be.visible').click()
      cy.get('.recipe-row', { timeout: 10000 }).should('have.length.gte', 1)
      cy.get('.recipe-row .row-info').first().click()
      cy.get('.overlay-panel', { timeout: 5000 }).should('be.visible')
    })

    it('editor table fits within panel without horizontal overflow', () => {
      cy.get('.overlay-panel').then($panel => {
        const panel = $panel[0]
        expect(panel.scrollWidth, 'panel has no horizontal overflow')
          .to.be.lte(panel.clientWidth + 1)
      })
      cy.get('.overlay-panel .editor-table').then($table => {
        const tableRect = $table[0].getBoundingClientRect()
        const panelRect = Cypress.$('.overlay-panel')[0].getBoundingClientRect()
        expect(tableRect.right, 'table right edge').to.be.lte(panelRect.right + 1)
        expect(tableRect.left, 'table left edge').to.be.gte(panelRect.left - 1)
      })
    })

    it('all 4 data column headers (成分/用量/单价/小计) are visible in panel', () => {
      const headers = ['成分', '用量', '单价', '小计']
      headers.forEach(label => {
        cy.get('.overlay-panel .editor-table thead th').contains(label).then($th => {
          const thRect = $th[0].getBoundingClientRect()
          const panelRect = Cypress.$('.overlay-panel')[0].getBoundingClientRect()
          expect(thRect.right, `${label} header right`).to.be.lte(panelRect.right + 1)
          expect(thRect.left, `${label} header left`).to.be.gte(panelRect.left - 1)
        })
      })
    })

    it('oil search input does not push the row past panel edge', () => {
      cy.get('.overlay-panel .form-select').first().then($input => {
        const inputRect = $input[0].getBoundingClientRect()
        const panelRect = Cypress.$('.overlay-panel')[0].getBoundingClientRect()
        expect(inputRect.right, 'oil input right').to.be.lte(panelRect.right + 1)
      })
    })

    it('horizontal swipe does not switch tabs while editor overlay is open', () => {
      cy.get('.nav-tab.active').invoke('text').then(activeBefore => {
        // Overlay covers .main — touch events bubble from .overlay up to .main's handler
        cy.get('.overlay')
          .trigger('touchstart', { touches: [{ clientX: 320, clientY: 400 }], force: true })
          .trigger('touchmove', { touches: [{ clientX: 60, clientY: 400 }], force: true })
          .trigger('touchend', { force: true })
        cy.wait(200)
        cy.get('.overlay-panel').should('be.visible')
        cy.get('.nav-tab.active').invoke('text').should('eq', activeBefore)
      })
    })
  })

  describe('Tablet viewport (768x1024)', () => {
    beforeEach(() => {
      cy.viewport(768, 1024)
    })

    it('loads and shows recipe grid', () => {
      cy.visit('/')
      cy.get('.recipe-card', { timeout: 10000 }).should('have.length.gte', 1)
    })

    it('oil grid shows multiple columns', () => {
      cy.visit('/oils')
      cy.get('.oil-chip', { timeout: 10000 }).should('have.length.gte', 1)
    })
  })

  describe('Wide viewport (1920x1080)', () => {
    beforeEach(() => {
      cy.viewport(1920, 1080)
    })

    it('content is centered with max-width', () => {
      cy.visit('/')
      cy.get('.main').then($main => {
        const width = $main.outerWidth()
        expect(width).to.be.lte(960)
      })
    })

    it('recipe grid shows multiple columns', () => {
      cy.visit('/')
      cy.get('.recipe-card', { timeout: 10000 }).should('have.length.gte', 1)
    })
  })
})