import type { BizType, ProjectRecord } from '@/api/project-management'

/** Drill-down uses the last successful statistics query, never unsaved filter edits. */
export function buildDrillFilters(
  applied: ProjectRecord,
  row: ProjectRecord,
  bizType: BizType
): ProjectRecord {
  const { groupBy, ...filters } = applied
  const result = { ...filters, bizType, unassigned: row.id === 'unassigned' } as ProjectRecord
  if (!result.unassigned && row.id !== 'total') {
    result[groupBy === 'team' ? 'teamId' : 'projectId'] = row.id
  }
  return result
}

export function assignmentSnapshot(records: ProjectRecord[]) {
  return records.map(({ bizType, id, projectId }) => ({
    bizType,
    id,
    projectId: projectId ?? null
  }))
}

/** Write bodies intentionally exclude response-only labels and timestamps. */
export function managementPayload(kind: 'teams' | 'projects', form: ProjectRecord): ProjectRecord {
  const fields =
    kind === 'teams'
      ? ['teamName', 'leaderUserId', 'enabled', 'remark']
      : [
          'projectName',
          'projectNo',
          'teamId',
          'leaderUserId',
          'bizTypes',
          'startDate',
          'endDate',
          'status',
          'remark'
        ]
  const data = Object.fromEntries(
    fields.filter((key) => form[key] !== undefined).map((key) => [key, form[key]])
  )
  if (kind === 'teams') {
    for (const [key, field] of [
      ['members', 'userId'],
      ['regions', 'regionId'],
      ['hospitals', 'hospitalId']
    ]) {
      data[key] = (form[key] || []).map((row: ProjectRecord) => ({
        ...(row.id ? { id: row.id } : {}),
        [field]: row[field]
      }))
    }
  }
  return data
}

export function projectOptionsParams(bizType: BizType, filter = false) {
  return filter ? { bizType, usage: 'filter' as const } : { bizType }
}

/** List cells join child display names; empty entries are dropped. */
export function joinChildNames(items?: ProjectRecord[]) {
  return (items || [])
    .map((item) => item?.name)
    .filter(Boolean)
    .join('、')
}