export type Fetch = typeof fetch;

/**
 * Error format
 *
 * {@link https://postgrest.org/en/stable/api.html?highlight=options#errors-and-http-status-codes}
 */
export type PostgrestError = {
	message: string;
	details: string;
	hint: string;
	code: string;
};

/**
 * Response format
 *
 * {@link https://github.com/supabase/supabase-js/issues/32}
 */
interface PostgrestResponseBase {
	status: number;
	statusText: string;
}
export interface PostgrestResponseSuccess<T> extends PostgrestResponseBase {
	error: null;
	data: T;
	count: number | null;
}
export interface PostgrestResponseFailure extends PostgrestResponseBase {
	error: PostgrestError;
	data: null;
	count: null;
}

// TODO: in v3:
// - remove PostgrestResponse and PostgrestMaybeSingleResponse
// - rename PostgrestSingleResponse to PostgrestResponse
export type PostgrestSingleResponse<T> =
	| PostgrestResponseSuccess<T>
	| PostgrestResponseFailure;
export type PostgrestMaybeSingleResponse<T> = PostgrestSingleResponse<T | null>;
export type PostgrestResponse<T> = PostgrestSingleResponse<T[]>;

export type GenericTable = {
	Row: Record<string, unknown>;
	Insert: Record<string, unknown>;
	Update: Record<string, unknown>;
};

export type GenericUpdatableView = {
	Row: Record<string, unknown>;
	Insert: Record<string, unknown>;
	Update: Record<string, unknown>;
};

export type GenericNonUpdatableView = {
	Row: Record<string, unknown>;
};

export type GenericView = GenericUpdatableView | GenericNonUpdatableView;

export type GenericFunction = {
	Args: Record<string, unknown>;
	Returns: unknown;
};

export type GenericSchema = {
	Tables: Record<string, GenericTable>;
	Views: Record<string, GenericView>;
	Functions: Record<string, GenericFunction>;
};

// https://twitter.com/mattpocockuk/status/1622730173446557697
export type Prettify<T> = { [K in keyof T]: T[K] } & {};