import { test } from '@japa/runner'
import { historyRows } from '#services/planner'

test.group('Planner / history rows', () => {
  test('a group planned for the first time: the ancient range below the low watermark, then the slices', ({
    assert,
  }) => {
    const rows = historyRows(7, { low: 1001, high: 3500 }, 0, 1000)
    assert.deepEqual(
      rows.map((r) => [r.start_id, r.end_id, r.next_id, r.priority, r.status ?? 'planned']),
      [
        [1, 1000, 1, 0, 'ancient'],
        [1001, 2000, 1001, 0, 'planned'],
        [2001, 3000, 2001, 400, 'planned'],
        [3001, 3500, 3001, 800, 'planned'],
      ]
    )
  })

  test('no ancient range when the group starts at article 1, nor when planning again', ({
    assert,
  }) => {
    assert.deepEqual(
      historyRows(7, { low: 1, high: 1500 }, 0, 1000).map((r) => [r.start_id, r.end_id, r.status]),
      [
        [1, 1000, undefined],
        [1001, 1500, undefined],
      ]
    )
    // Planned before up to 3500: only the new articles, no second ancient range.
    assert.deepEqual(
      historyRows(7, { low: 1200, high: 4100 }, 3500, 1000).map((r) => [r.start_id, r.end_id]),
      [[3501, 4100]]
    )
  })
})