// Marks this file as an ES module (rather than a global script) so its
// top-level consts don't collide, under the TS type-checker, with the same
// names declared in other spec files.
//
// RUN ORDER MATTERS, and build.yaml reflects it: this spec must run after
// csv-limited.cy.ts (which asserts the free tier and so needs the first slot,
// before any spec applies a licence key) and before every spec that submits a
// changeset. Test 2 reads the approval queue, which is paged oldest first, and
// a changeset submitted by an earlier spec pushes this one off the first page.
export {}

const hostUrl = Cypress.env('hosturl')
const appLocation = Cypress.env('appLocation')
const longerCommandTimeout = Cypress.env('longerCommandTimeout')

context('hook program tests: ', function () {
  this.beforeAll(() => {
    cy.loginAndUpdateValidKey(true)
  })

  this.beforeEach(() => {
    cy.visit(hostUrl + appLocation)

    visitPage('home')
  })

  // TESTDATA.DEMO_MIRROR is an empty mirror of TESTDATA.DEMO_ORDERS, registered
  // with a PRE_EDIT_HOOK and a POST_EDIT_HOOK (services/hooks/demo_mirror_*.js).
  // The mock services run those hooks the way the SAS backend %includes the
  // real hook programs - see dcMockUtils.mockHookSource.

  it('1 | PRE_EDIT_HOOK: an empty mirror displays the live rows of its target table', () => {
    openTableFromTree('testdata', 'demo_mirror')

    // The mirror holds no rows of its own: everything on screen comes from the
    // pre-edit hook, which loads TESTDATA.DEMO_ORDERS.
    cy.get('#hotTable .ht_master tbody tr', {
      timeout: longerCommandTimeout
    }).should('have.length', 4)

    cy.get('#hotTable .ht_master tbody tr')
      .first()
      .should('contain.text', 'Acme Corp')

    cy.get('#hotTable .ht_master tbody tr')
      .last()
      .should('contain.text', 'Delta Systems')

    // The grid is validated against the MIRROR's own rule set (AMOUNT <= 2000),
    // not the real table's (AMOUNT <= 100000) - that is the point of routing
    // edits through a mirror.
    clickOnEdit(() => {
      editCell(0, 'AMOUNT', '5000')
    })

    cy.get('#hotTable .ht_master tbody tr')
      .first()
      .find('td.htInvalid')
      .should('exist')
  })

  it('2 | POST_EDIT_HOOK: a change submitted against the mirror is raised against the target', () => {
    openTableFromTree('testdata', 'demo_mirror')

    clickOnEdit(() => {
      editCell(0, 'AMOUNT', '750')
    })

    submitTable(() => {
      cy.get('textarea.submit-reason', { timeout: longerCommandTimeout }).type(
        'hook routing test'
      )
      submitTableMessage()
    })

    // A successful submit sends the app to the staged-data page; wait for that
    // before navigating away, or the app's own redirect wins the race.
    cy.url({ timeout: longerCommandTimeout }).should('include', '/stage/')

    // The post-edit hook re-points the changeset at TESTDATA.DEMO_ORDERS, so the
    // approval queue names the real table rather than the mirror. Search the
    // whole grid rather than one row: the queue also holds changesets from
    // earlier specs in the same run, so position is not a stable anchor.
    visitPage('review/approve')

    cy.get('clr-datagrid clr-dg-row', { timeout: longerCommandTimeout }).should(
      ($rows) => {
        const texts = Array.from($rows).map((row: any) =>
          row.innerText.trim().replace(/\s+/g, ' ')
        )

        expect(
          texts.some((text) => text.includes('TESTDATA.DEMO_ORDERS')),
          `no approval row names TESTDATA.DEMO_ORDERS - rows: ${texts
            .slice(0, 5)
            .join(' | ')
            .slice(0, 400)}`
        ).to.be.true
      }
    )
  })
})

// ─── helpers (declared at the bottom, per the other specs) ───────────────────

const visitPage = (url: string) => {
  cy.visit(`${hostUrl}${appLocation}/#/${url}`)
}

const openTableFromTree = (libNameIncludes: string, tablename: string) => {
  cy.get('.app-loading', { timeout: longerCommandTimeout })
    .should('not.exist')
    .then(() => {
      cy.get('.nav-tree clr-tree > clr-tree-node', {
        timeout: longerCommandTimeout
      }).then((treeNodes: any) => {
        let viyaLib

        for (let node of treeNodes) {
          if (node.innerText.toLowerCase().includes(libNameIncludes)) {
            viyaLib = node
            break
          }
        }

        cy.get(viyaLib).within(() => {
          cy.wait(300)

          cy.get(
            '.clr-tree-node-content-container .clr-treenode-content p'
          ).click()

          cy.get('.clr-treenode-link').then((innerNodes: any) => {
            for (let innerNode of innerNodes) {
              if (innerNode.innerText.toLowerCase().includes(tablename)) {
                innerNode.click()
                break
              }
            }
          })
        })
      })
    })

  cy.get('#hotTable .ht_clone_top .htCore thead button.changeType', {
    timeout: longerCommandTimeout
  }).should('exist')
}

const clickOnEdit = (callback?: any) => {
  cy.get('.btnCtrl button.btn-primary', { timeout: longerCommandTimeout })
    .click()
    .then(() => {
      if (callback) callback()
    })
}

// Edits a single cell, locating the column by its header label. Handsontable
// renders the frozen header in a separate clone pane (.ht_clone_top) - the
// header row inside .ht_master is kept visibility:hidden - so the labels are
// read from the clone.
const editCell = (rowIndex: number, colName: string, value: string) => {
  cy.get('#hotTable .ht_clone_top .htCore thead th', {
    timeout: longerCommandTimeout
  }).then((headers: any) => {
    let colIndex = -1
    for (let i = 0; i < headers.length; i++) {
      if (
        String(headers[i].innerText || '')
          .trim()
          .toUpperCase() === colName.toUpperCase()
      ) {
        colIndex = i
        break
      }
    }
    expect(colIndex, `column ${colName} present`).to.be.greaterThan(-1)

    cy.get('#hotTable .ht_master tbody tr')
      .eq(rowIndex)
      .then((row: any) => {
        cy.get(row[0].childNodes[colIndex])
          .dblclick({ force: true })
          .then(() => {
            cy.focused()
              .clear()
              .type(value + '{enter}')
          })
      })
  })
}

const submitTable = (callback?: any) => {
  cy.get('.btnCtrl button.btn-primary', { timeout: longerCommandTimeout })
    .click()
    .then(() => {
      if (callback) callback()
    })
}

const submitTableMessage = (callback?: any) => {
  cy.get('.modal-footer .btn.btn-sm.btn-success-outline', {
    timeout: longerCommandTimeout
  })
    .click()
    .then(() => {
      if (callback) callback()
    })
}