-module(gleam@javascript@promise).
-compile(no_auto_import).

-export([resolve/1, rescue/2, then/2, map/2, tap/2, map_try/2, then_try/2, await2/2, await3/3, await4/4, await5/5, await6/6, await_array/1, await_list/1]).
-export_type([promise/1]).

-type promise(Value) :: any() | {gleam_phantom, Value}.

-spec resolve(EOI) -> promise(EOI).
resolve(Field@0) ->
    '../../ffi.mjs':resolve(Field@0).

-spec rescue(promise(EOK), fun((gleam@dynamic:dynamic()) -> EOK)) -> promise(EOK).
rescue(Field@0, Field@1) ->
    '../../ffi.mjs':rescue(Field@0, Field@1).

-spec then(promise(EOP), fun((EOP) -> promise(EON))) -> promise(EON).
then(Field@0, Field@1) ->
    '../../ffi.mjs':then(Field@0, Field@1).

-spec map(promise(EOU), fun((EOU) -> EOS)) -> promise(EOS).
map(Field@0, Field@1) ->
    '../../ffi.mjs':map_promise(Field@0, Field@1).

-spec tap(promise(EOW), fun((EOW) -> any())) -> promise(EOW).
tap(Promise, Callback) ->
    _pipe = Promise,
    '../../ffi.mjs':map_promise(
        _pipe,
        fun(A) ->
            Callback(A),
            A
        end
    ).

-spec map_try(
    promise({ok, EPA} | {error, EPB}),
    fun((EPA) -> {ok, EPF} | {error, EPB})
) -> promise({ok, EPF} | {error, EPB}).
map_try(Promise, Callback) ->
    _pipe = Promise,
    '../../ffi.mjs':map_promise(_pipe, fun(Result) -> case Result of
                {ok, A} ->
                    Callback(A);

                {error, E} ->
                    {error, E}
            end end).

-spec then_try(
    promise({ok, EPL} | {error, EPM}),
    fun((EPL) -> promise({ok, EPQ} | {error, EPM}))
) -> promise({ok, EPQ} | {error, EPM}).
then_try(Promise, Callback) ->
    _pipe = Promise,
    '../../ffi.mjs':then(_pipe, fun(Result) -> case Result of
                {ok, A} ->
                    Callback(A);

                {error, E} ->
                    '../../ffi.mjs':resolve({error, E})
            end end).

-spec await2(promise(EPX), promise(EPY)) -> promise({EPX, EPY}).
await2(Field@0, Field@1) ->
    '../../ffi.mjs':all_promises(Field@0, Field@1).

-spec await3(promise(EQC), promise(EQD), promise(EQE)) -> promise({EQC,
    EQD,
    EQE}).
await3(Field@0, Field@1, Field@2) ->
    '../../ffi.mjs':all_promises(Field@0, Field@1, Field@2).

-spec await4(promise(EQJ), promise(EQK), promise(EQL), promise(EQM)) -> promise({EQJ,
    EQK,
    EQL,
    EQM}).
await4(Field@0, Field@1, Field@2, Field@3) ->
    '../../ffi.mjs':all_promises(Field@0, Field@1, Field@2, Field@3).

-spec await5(
    promise(EQS),
    promise(EQT),
    promise(EQU),
    promise(EQV),
    promise(EQW)
) -> promise({EQS, EQT, EQU, EQV, EQW}).
await5(Field@0, Field@1, Field@2, Field@3, Field@4) ->
    '../../ffi.mjs':all_promises(Field@0, Field@1, Field@2, Field@3, Field@4).

-spec await6(
    promise(ERD),
    promise(ERE),
    promise(ERF),
    promise(ERG),
    promise(ERH),
    promise(ERI)
) -> promise({ERD, ERE, ERF, ERG, ERH, ERI}).
await6(Field@0, Field@1, Field@2, Field@3, Field@4, Field@5) ->
    '../../ffi.mjs':all_promises(Field@0, Field@1, Field@2, Field@3, Field@4, Field@5).

-spec await_array(gleam@javascript@array:array(promise(ERQ))) -> promise(gleam@javascript@array:array(ERQ)).
await_array(Field@0) ->
    '../../ffi.mjs':all_promises(Field@0).

-spec await_list(list(promise(ERV))) -> promise(list(ERV)).
await_list(Xs) ->
    _pipe = Xs,
    _pipe@1 = '../../ffi.mjs':all_promises(_pipe),
    '../../ffi.mjs':map_promise(_pipe@1, fun gleam@javascript@array:to_list/1).