-module(gleeth@deploy).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/gleeth/deploy.gleam").
-export([deploy/5, deploy_with_args/6]).

-if(?OTP_RELEASE >= 27).
-define(MODULEDOC(Str), -moduledoc(Str)).
-define(DOC(Str), -doc(Str)).
-else.
-define(MODULEDOC(Str), -compile([])).
-define(DOC(Str), -compile([])).
-endif.

?MODULEDOC(
    " Contract deployment helpers.\n"
    "\n"
    " Build deployment transactions from bytecode and optional constructor\n"
    " arguments, broadcast them, and extract the deployed contract address\n"
    " from the receipt.\n"
    "\n"
    " ## Examples\n"
    "\n"
    " ```gleam\n"
    " // Deploy with no constructor args\n"
    " let assert Ok(address) =\n"
    "   deploy.deploy(provider, wallet, bytecode, \"0x100000\", 1)\n"
    "\n"
    " // Deploy with constructor args\n"
    " let assert Ok(address) =\n"
    "   deploy.deploy_with_args(\n"
    "     provider, wallet, bytecode,\n"
    "     [#(types.Uint(256), types.UintValue(1_000_000))],\n"
    "     \"0x200000\", 1,\n"
    "   )\n"
    " ```\n"
).

-file("src/gleeth/deploy.gleam", 67).
?DOC(
    " Build a deployment transaction, sign it, broadcast, wait for receipt,\n"
    " and return the contract address.\n"
).
-spec deploy_raw(
    gleeth@provider:provider(),
    gleeth@crypto@wallet:wallet(),
    binary(),
    binary(),
    integer()
) -> {ok, binary()} | {error, gleeth@rpc@types:gleeth_error()}.
deploy_raw(Provider, W, Data, Gas_limit, Chain_id) ->
    Sender = gleeth@crypto@wallet:get_address(W),
    gleam@result:'try'(
        gleeth@rpc@methods:get_transaction_count(
            Provider,
            Sender,
            <<"pending"/utf8>>
        ),
        fun(Nonce) ->
            gleam@result:'try'(
                gleeth@rpc@methods:get_gas_price(Provider),
                fun(Gas_price) ->
                    gleam@result:'try'(
                        begin
                            _pipe = gleeth@crypto@transaction:create_legacy_transaction(
                                <<""/utf8>>,
                                <<"0x0"/utf8>>,
                                Gas_limit,
                                Gas_price,
                                Nonce,
                                Data,
                                Chain_id
                            ),
                            gleam@result:map_error(
                                _pipe,
                                fun(Field@0) -> {transaction_err, Field@0} end
                            )
                        end,
                        fun(Tx) ->
                            gleam@result:'try'(
                                begin
                                    _pipe@1 = gleeth@crypto@transaction:sign_transaction(
                                        Tx,
                                        W
                                    ),
                                    gleam@result:map_error(
                                        _pipe@1,
                                        fun(Field@0) -> {transaction_err, Field@0} end
                                    )
                                end,
                                fun(Signed) ->
                                    gleam@result:'try'(
                                        gleeth@rpc@methods:send_raw_transaction(
                                            Provider,
                                            erlang:element(12, Signed)
                                        ),
                                        fun(Tx_hash) ->
                                            gleam@result:'try'(
                                                gleeth@rpc@methods:wait_for_receipt(
                                                    Provider,
                                                    Tx_hash
                                                ),
                                                fun(Receipt) ->
                                                    case erlang:element(
                                                        10,
                                                        Receipt
                                                    ) of
                                                        <<""/utf8>> ->
                                                            {error,
                                                                {parse_error,
                                                                    <<"No contract address in receipt"/utf8>>}};

                                                        Address ->
                                                            {ok, Address}
                                                    end
                                                end
                                            )
                                        end
                                    )
                                end
                            )
                        end
                    )
                end
            )
        end
    ).

-file("src/gleeth/deploy.gleam", 36).
?DOC(
    " Deploy a contract with no constructor arguments.\n"
    " Returns the deployed contract address.\n"
).
-spec deploy(
    gleeth@provider:provider(),
    gleeth@crypto@wallet:wallet(),
    binary(),
    binary(),
    integer()
) -> {ok, binary()} | {error, gleeth@rpc@types:gleeth_error()}.
deploy(Provider, W, Bytecode, Gas_limit, Chain_id) ->
    deploy_raw(Provider, W, Bytecode, Gas_limit, Chain_id).

-file("src/gleeth/deploy.gleam", 111).
?DOC(" Append hex data to bytecode, handling 0x prefixes.\n").
-spec append_hex(binary(), binary()) -> binary().
append_hex(Bytecode, Args_hex) ->
    Base = case gleam_stdlib:string_starts_with(Bytecode, <<"0x"/utf8>>) of
        true ->
            Bytecode;

        false ->
            <<"0x"/utf8, Bytecode/binary>>
    end,
    Args = case gleam_stdlib:string_starts_with(Args_hex, <<"0x"/utf8>>) of
        true ->
            gleam@string:drop_start(Args_hex, 2);

        false ->
            Args_hex
    end,
    <<Base/binary, Args/binary>>.

-file("src/gleeth/deploy.gleam", 48).
?DOC(
    " Deploy a contract with ABI-encoded constructor arguments appended to the bytecode.\n"
    " Returns the deployed contract address.\n"
).
-spec deploy_with_args(
    gleeth@provider:provider(),
    gleeth@crypto@wallet:wallet(),
    binary(),
    list({gleeth@ethereum@abi@types:abi_type(),
        gleeth@ethereum@abi@types:abi_value()}),
    binary(),
    integer()
) -> {ok, binary()} | {error, gleeth@rpc@types:gleeth_error()}.
deploy_with_args(Provider, W, Bytecode, Constructor_args, Gas_limit, Chain_id) ->
    gleam@result:'try'(
        begin
            _pipe = gleeth@ethereum@abi@encode:encode(Constructor_args),
            gleam@result:map_error(
                _pipe,
                fun(Field@0) -> {abi_err, Field@0} end
            )
        end,
        fun(Encoded_args) ->
            Args_hex = string:lowercase(
                gleam_stdlib:base16_encode(Encoded_args)
            ),
            Full_data = append_hex(Bytecode, Args_hex),
            deploy_raw(Provider, W, Full_data, Gas_limit, Chain_id)
        end
    ).