import { QueryPerformanceRow } from '../QueryPerformance.types'

export const transformStatementDataToRows = (data: any[]): QueryPerformanceRow[] => {
  if (!data || data.length === 0) return []

  const totalTimeAcrossAllQueries = data.reduce((sum, row) => sum + (row.total_time || 0), 0)

  return data.map((row) => ({
    query: row.query,
    rolname: row.rolname || undefined,
    calls: row.calls || 0,
    mean_time: row.mean_time || 0,
    min_time: row.min_time || 0,
    max_time: row.max_time || 0,
    total_time: row.total_time || 0,
    rows_read: row.rows_read || 0,
    cache_hit_rate: row.cache_hit_rate || 0,
    prop_total_time:
      totalTimeAcrossAllQueries > 0 ? (row.total_time / totalTimeAcrossAllQueries) * 100 : 0,
    index_advisor_result: row.index_advisor_result || null,
  }))
}