// import type { QueryBuilder } from 'knex'
import type { SelectQueryBuilder } from 'kysely'
import _ from 'lodash'

// export function convertToReturning(obj: Record<string, string>) {
//   return _.map(obj, (value, key) => _.isString(value) && `${value} as ${key}`).filter(_.identity)
// }

// export function columnAs(name: string, table: string, transformer = _.snakeCase) {
//   const transformed = transformer(name)

//   if (transformed !== name) {
//     // knex automagically wraps everything in ", so they are not needed around ${name}
//     return `${table ? table + '.' : ''}${transformed} as ${name}`
//   }

//   return table ? `${table}.${name}` : name
// }

// export function columnBuilder(builder: QueryBuilder, columns: Record<string, string>, columnNames: string[]) {
//   for (const columnName of columnNames) {
//     const column = columns[columnName]

//     if (column) {
//       // @ts-ignore
//       builder.column(column)
//     }
//   }

//   return builder
// }

export function where<DB, TB extends keyof DB, O>(builder: SelectQueryBuilder<DB, TB, O>, json: Record<string, ANY>) {
  return _.reduce(
    json,
    (builder, value, key) => {
      if (value === null) {
        return builder.where(key, 'is', null)
      } else if (Array.isArray(value)) {
        return builder.where(key, 'in', value)
      }

      return builder.where(key, '=', value)
    },
    builder,
  )
}