import { UnpackList } from "./utils.js";
import { AllCollections, GetCollection, RelationalFields } from "./schema.js";
import { LiteralFields } from "./fields.js";
import { ArrayFunctions, DateFunctions, DateTimeFunctions, MappedFieldNames, MappedFunctionFields, TimeFunctions } from "./functions.js";
import { Query } from "./query.js";

//#region src/types/aggregate.d.ts
type GroupingFunctions = {
  date: "year" | "month" | "week" | "day" | "weekday" | "hour" | "minute" | "second";
  array: "count";
};
type AggregationTypes = {
  count: {
    output: string | null;
    wildcard: true;
  };
  countDistinct: {
    output: string | null;
    wildcard: true;
  };
  sum: {
    output: string | null;
    wildcard: never;
  };
  sumDistinct: {
    output: string | null;
    wildcard: never;
  };
  avg: {
    output: string | null;
    wildcard: never;
  };
  avgDistinct: {
    output: string | null;
    wildcard: never;
  };
  min: {
    output: number | null;
    wildcard: never;
  };
  max: {
    output: number | null;
    wildcard: never;
  };
};
/**
* Aggregation parameters
*/
type AggregateRecord<Fields = string> = { [Func in keyof AggregationTypes]?: Fields | Fields[] | (AggregationTypes[Func]["wildcard"] extends never ? never : "*") };
/**
* GroupBy parameters
*/
type GroupByFields<Schema, Item$1> = WrappedFields<LiteralFields<Item$1, "datetime">, DateTimeFunctions> | WrappedFields<LiteralFields<Item$1, "date">, DateFunctions> | WrappedFields<LiteralFields<Item$1, "time">, TimeFunctions> | WrappedFields<RelationalFields<Schema, Item$1>, ArrayFunctions>;
/**
* Aggregation input options
*/
type AggregationOptions<Schema, Collection extends AllCollections<Schema>, Fields = (Collection extends keyof Schema ? keyof UnpackList<GetCollection<Schema, Collection>> : string), Item$1 = (Collection extends keyof Schema ? UnpackList<GetCollection<Schema, Collection>> : object)> = {
  aggregate: AggregateRecord<Fields>;
  groupBy?: (Fields | GroupByFields<Schema, Item$1>)[];
  query?: Omit<Query<Schema, Item$1>, "fields" | "deep" | "alias">;
};
/**
* Output typing for aggregation
*/
type AggregationOutput<Schema, Collection extends AllCollections<Schema>, Options extends AggregationOptions<Schema, Collection>> = ((Options["groupBy"] extends string[] ? UnpackList<GetCollection<Schema, Collection>> extends infer Item ? Item extends object ? MappedFunctionFields<Schema, Item> extends infer FieldMap ? MappedFieldNames<Schema, Item> extends infer NamesMap ? { [Field in UnpackList<Options["groupBy"]> as TranslateFunctionField<FieldMap, Field>]: TranslateFunctionField<NamesMap, Field> extends keyof Item ? Item[TranslateFunctionField<NamesMap, Field>] : never } : never : never : never : never : object) & { [Func in keyof Options["aggregate"]]: Func extends keyof AggregationTypes ? Options["aggregate"][Func] extends string[] ? { [Field in UnpackList<Options["aggregate"][Func]>]: Field extends "*" ? AggregationTypes[Func]["output"] : { [SubField in Field]: AggregationTypes[Func]["output"] }[Field] } : Options["aggregate"][Func] extends string ? Options["aggregate"][Func] extends "*" ? AggregationTypes[Func]["output"] : { [SubField in Options["aggregate"][Func]]: AggregationTypes[Func]["output"] }[Options["aggregate"][Func]] : never : never })[];
/**
* Wrap fields in functions
*/
type WrappedFields<Fields, Funcs> = Fields extends string ? Funcs extends string ? `${Funcs}(${Fields})` : never : never;
/**
* Translate function names based on provided map
*/
type TranslateFunctionField<FieldMap$1, Field$1> = Field$1 extends keyof FieldMap$1 ? FieldMap$1[Field$1] extends string ? FieldMap$1[Field$1] : never : Field$1 extends string ? Field$1 : never;
//#endregion
export { AggregateRecord, AggregationOptions, AggregationOutput, AggregationTypes, GroupByFields, GroupingFunctions };
//# sourceMappingURL=aggregate.d.ts.map