import type { Ref } from 'vue'

type ColumnConfig = {
  type: 'text'
  data: string
  title: string
  width?: number
  readOnly?: boolean
}

type CreateSettingsDeps = {
  formulaInput: Ref<string>
}

const createRowSchema = (columns: ColumnConfig[]) => {
  const schema: Record<string, null> = {}
  columns.forEach((col) => {
    if (col.data) schema[col.data] = null
  })
  return schema
}

const createMockRows = (count: number) => {
  return Array.from({ length: count }, (_, index) => {
    const rowNumber = index + 1
    const rowText = String(rowNumber).padStart(3, '0')
    return {
      seq: String(rowNumber),
      code: `DW${rowText}`,
      name: `单位汇总费用${rowNumber}`,
      value: String((rowNumber * 6).toFixed(2)),
    }
  })
}

export const createUnitSummarySettings = ({ formulaInput }: CreateSettingsDeps) => {
  const columns: ColumnConfig[] = [
    { type: 'text', data: 'seq', title: '序号', width: 60, readOnly: true },
    { type: 'text', data: 'name', title: '费用名称', width: 240, readOnly: true },
    { type: 'text', data: 'code', title: '代号', width: 160, readOnly: true },
  ]

  const allowedSelectionDataKeys = new Set(['code', 'value'])

  return {
    data: createMockRows(30),
    //dataSchema: createRowSchema(columns),
    colWidths: 150,
    height: 400,
    columns,
    rowHeaders: false,
    nestedRows: false,
    bindRowsWithHeaders: true,
    selectionMode: 'single',
    className: 'htCenter',
    afterSelection(row: number, col: number) {
      if (row < 0 || col < 0) return
      const selectedDataKey = columns?.[col]?.data
      if (!selectedDataKey || !allowedSelectionDataKeys.has(selectedDataKey)) return
      const cellValue = this.getDataAtCell(row, col)
      if (cellValue == null) return
      formulaInput.value += String(cellValue)
    },
  }
}