/**
 * POST /api/materials/warehouse-layouts — create a floor.
 * Body { warehouseId, name, floorNo, gridWidth, gridHeight, layout?, isDefault?, description? }
 */
import { withIdempiere } from '../../../utils/withIdempiere'
import { LAYOUT_MODEL, LAYOUT_TABLE, bustCapabilities, errMessage, errStatus, isMissingTableError, mapLayoutRow, userNameFromCookie, warehouseOrg } from '../../../utils/warehouseLayout'
import { createLayout, parseLayout } from '../../../../app/utils/warehouseLayout/schema'
import fetchHelper from '../../../utils/fetchHelper'

export default withIdempiere(async (event, token) => {
  const body = await readBody(event)
  const warehouseId = Number(body?.warehouseId)
  if (!warehouseId) return { status: 400, message: 'warehouseId required' }
  const parsed = body?.layout ? parseLayout(body.layout) : { layout: createLayout() }
  if (!parsed.layout) return { status: 400, message: 'invalid layout: ' + parsed.error }
  const layout = parsed.layout
  const gridWidth = Number(body?.gridWidth) || layout.grid.width
  const gridHeight = Number(body?.gridHeight) || layout.grid.height
  layout.grid = { width: gridWidth, height: gridHeight }
  layout.meta = { ...layout.meta, version: 1, savedAt: new Date().toISOString(), savedBy: userNameFromCookie(event) }
  const json = JSON.stringify(layout)
  if (json.length > 2 * 1024 * 1024) return { status: 413, message: 'layout too large' }
  const wh = await warehouseOrg(event, token, warehouseId)
  const orgId = wh.orgId ?? Number(getCookie(event, 'logship_organization_id'))
  try {
    const res: any = await fetchHelper(event, LAYOUT_MODEL, 'POST', token, {
      AD_Org_ID: { id: orgId, tableName: 'AD_Org' },
      M_Warehouse_ID: { id: warehouseId, tableName: 'M_Warehouse' },
      name: String(body?.name || wh.name || 'Layout').slice(0, 60),
      floorNo: Number(body?.floorNo) || 0,
      isDefault: body?.isDefault !== false,
      gridWidth, gridHeight,
      layoutJSON: json,
      layoutVersion: 1,
      appliedVersion: 0,
      description: String(body?.description || '').slice(0, 255),
      isActive: true,
      tableName: LAYOUT_TABLE
    })
    bustCapabilities()
    return { status: 200, record: mapLayoutRow(res, true) }
  } catch (err: any) {
    const st = errStatus(err)
    if (st === 401 || st === 403) throw err
    if (isMissingTableError(err)) return { status: 424, layoutTableMissing: true, message: errMessage(err) }
    return { status: st || 500, message: errMessage(err) }
  }
})