from trezor import ui
from trezor.enums import (
    ButtonRequestType,
    CardanoAddressType,
    CardanoCertificateType,
    CardanoNativeScriptHashDisplayFormat,
    CardanoNativeScriptType,
)
from trezor.strings import format_amount
from trezor.ui.layouts import (
    confirm_blob,
    confirm_metadata,
    confirm_output,
    confirm_path_warning,
    confirm_properties,
)

from apps.common.paths import address_n_to_str

from . import seed
from .address import (
    encode_human_readable_address,
    get_public_key_hash,
    pack_reward_address_bytes,
)
from .helpers import protocol_magics
from .helpers.utils import (
    format_account_number,
    format_asset_fingerprint,
    format_key_hash,
    format_optional_int,
    format_script_hash,
    format_stake_pool_id,
    to_account_path,
)

if False:
    from trezor import wire
    from trezor.messages import (
        CardanoBlockchainPointerType,
        CardanoNativeScript,
        CardanoTxCertificate,
        CardanoTxWithdrawal,
        CardanoPoolParametersType,
        CardanoPoolOwner,
        CardanoPoolMetadataType,
        CardanoToken,
    )

    from trezor.ui.layouts import PropertyType


ADDRESS_TYPE_NAMES = {
    CardanoAddressType.BYRON: "Legacy",
    CardanoAddressType.BASE: "Base",
    CardanoAddressType.POINTER: "Pointer",
    CardanoAddressType.ENTERPRISE: "Enterprise",
    CardanoAddressType.REWARD: "Reward",
}

SCRIPT_TYPE_NAMES = {
    CardanoNativeScriptType.PUB_KEY: "Key",
    CardanoNativeScriptType.ALL: "All",
    CardanoNativeScriptType.ANY: "Any",
    CardanoNativeScriptType.N_OF_K: "N of K",
    CardanoNativeScriptType.INVALID_BEFORE: "Invalid before",
    CardanoNativeScriptType.INVALID_HEREAFTER: "Invalid hereafter",
}

CERTIFICATE_TYPE_NAMES = {
    CardanoCertificateType.STAKE_REGISTRATION: "Stake key registration",
    CardanoCertificateType.STAKE_DEREGISTRATION: "Stake key deregistration",
    CardanoCertificateType.STAKE_DELEGATION: "Stake delegation",
    CardanoCertificateType.STAKE_POOL_REGISTRATION: "Stakepool registration",
}


def format_coin_amount(amount: int) -> str:
    return "%s %s" % (format_amount(amount, 6), "ADA")


def is_printable_ascii_bytestring(bytestr: bytes) -> bool:
    return all((32 < b < 127) for b in bytestr)


async def show_native_script(
    ctx: wire.Context,
    script: CardanoNativeScript,
    indices: list[int] = [],
) -> None:
    indices_str = ".".join([str(i) for i in indices])

    script_type_name_suffix = ""
    if script.type == CardanoNativeScriptType.PUB_KEY:
        if script.key_path:
            script_type_name_suffix = "path"
        elif script.key_hash:
            script_type_name_suffix = "hash"

    props: list[PropertyType] = [
        (
            "Script%s - %s %s:"
            % (
                (" " + indices_str if indices_str else ""),
                SCRIPT_TYPE_NAMES[script.type],
                script_type_name_suffix,
            ),
            None,
        )
    ]

    if script.type == CardanoNativeScriptType.PUB_KEY:
        assert script.key_hash is not None or script.key_path  # validate_script
        if script.key_hash:
            props.append((None, format_key_hash(script.key_hash, True)))
        elif script.key_path:
            props.append((address_n_to_str(script.key_path), None))
    elif script.type == CardanoNativeScriptType.N_OF_K:
        assert script.required_signatures_count is not None  # validate_script
        props.append(
            (
                "Requires %s out of %s signatures."
                % (script.required_signatures_count, len(script.scripts)),
                None,
            )
        )
    elif script.type == CardanoNativeScriptType.INVALID_BEFORE:
        assert script.invalid_before is not None  # validate_script
        props.append((str(script.invalid_before), None))
    elif script.type == CardanoNativeScriptType.INVALID_HEREAFTER:
        assert script.invalid_hereafter is not None  # validate_script
        props.append((str(script.invalid_hereafter), None))

    if script.type in (
        CardanoNativeScriptType.ALL,
        CardanoNativeScriptType.ANY,
        CardanoNativeScriptType.N_OF_K,
    ):
        assert script.scripts  # validate_script
        props.append(("Contains %i nested scripts." % len(script.scripts), None))

    await confirm_properties(
        ctx,
        "verify_script",
        title="Verify script",
        props=props,
        br_code=ButtonRequestType.Other,
    )

    for i, sub_script in enumerate(script.scripts):
        await show_native_script(ctx, sub_script, indices + [(i + 1)])


async def show_script_hash(
    ctx: wire.Context,
    script_hash: bytes,
    display_format: CardanoNativeScriptHashDisplayFormat,
) -> None:
    assert display_format in (
        CardanoNativeScriptHashDisplayFormat.BECH32,
        CardanoNativeScriptHashDisplayFormat.POLICY_ID,
    )

    if display_format == CardanoNativeScriptHashDisplayFormat.BECH32:
        await confirm_properties(
            ctx,
            "verify_script",
            title="Verify script",
            props=[("Script hash:", format_script_hash(script_hash))],
            br_code=ButtonRequestType.Other,
        )
    elif display_format == CardanoNativeScriptHashDisplayFormat.POLICY_ID:
        await confirm_blob(
            ctx,
            "verify_script",
            title="Verify script",
            data=script_hash,
            description="Policy ID:",
            br_code=ButtonRequestType.Other,
        )


async def confirm_sending(
    ctx: wire.Context,
    ada_amount: int,
    to: str,
) -> None:
    await confirm_output(
        ctx,
        to,
        format_coin_amount(ada_amount),
        title="Confirm transaction",
        subtitle="Confirm sending:",
        font_amount=ui.BOLD,
        width_paginated=17,
        to_str="\nto\n",
        to_paginated=True,
        br_code=ButtonRequestType.Other,
    )


async def confirm_sending_token(
    ctx: wire.Context, policy_id: bytes, token: CardanoToken
) -> None:
    await confirm_properties(
        ctx,
        "confirm_token",
        title="Confirm transaction",
        props=[
            (
                "Asset fingerprint:",
                format_asset_fingerprint(
                    policy_id=policy_id,
                    asset_name_bytes=token.asset_name_bytes,
                ),
            ),
            ("Amount sent:", format_amount(token.amount, 0)),
        ],
        br_code=ButtonRequestType.Other,
    )


async def show_warning_tx_output_contains_tokens(ctx: wire.Context) -> None:
    await confirm_metadata(
        ctx,
        "confirm_tokens",
        title="Confirm transaction",
        content="The following\ntransaction output\ncontains tokens.",
        larger_vspace=True,
        br_code=ButtonRequestType.Other,
    )


async def show_warning_path(ctx: wire.Context, path: list[int], title: str) -> None:
    await confirm_path_warning(ctx, address_n_to_str(path), path_type=title)


async def show_warning_tx_no_staking_info(
    ctx: wire.Context, address_type: CardanoAddressType, amount: int
) -> None:
    atype = ADDRESS_TYPE_NAMES[address_type].lower()
    content = "Change %s address has no stake rights.\nChange amount:\n{}" % atype
    await confirm_metadata(
        ctx,
        "warning_staking",
        title="Confirm transaction",
        content=content,
        param=format_coin_amount(amount),
        hide_continue=True,
        br_code=ButtonRequestType.Other,
    )


async def show_warning_tx_pointer_address(
    ctx: wire.Context,
    pointer: CardanoBlockchainPointerType,
    amount: int,
) -> None:
    await confirm_properties(
        ctx,
        "warning_pointer",
        title="Confirm transaction",
        props=[
            ("Change address has a\npointer with staking\nrights.\n\n\n", None),
            (
                "Pointer:",
                "%s, %s, %s"
                % (
                    pointer.block_index,
                    pointer.tx_index,
                    pointer.certificate_index,
                ),
            ),
            ("Change amount:", format_coin_amount(amount)),
        ],
        br_code=ButtonRequestType.Other,
    )


async def show_warning_tx_different_staking_account(
    ctx: wire.Context,
    staking_account_path: list[int],
    amount: int,
) -> None:
    await confirm_properties(
        ctx,
        "warning_differentstaking",
        title="Confirm transaction",
        props=[
            (
                "Change address staking rights do not match the current account.\n\n",
                None,
            ),
            (
                "Staking account %s:" % format_account_number(staking_account_path),
                address_n_to_str(staking_account_path),
            ),
            ("Change amount:", format_coin_amount(amount)),
        ],
        br_code=ButtonRequestType.Other,
    )


async def show_warning_tx_staking_key_hash(
    ctx: wire.Context,
    staking_key_hash: bytes,
    amount: int,
) -> None:
    props = [
        ("Change address staking rights do not match the current account.\n\n", None),
        ("Staking key hash:", staking_key_hash),
        ("Change amount:", format_coin_amount(amount)),
    ]

    await confirm_properties(
        ctx,
        "confirm_different_stakingrights",
        title="Confirm transaction",
        props=props,
        br_code=ButtonRequestType.Other,
    )


async def confirm_transaction(
    ctx: wire.Context,
    fee: int,
    protocol_magic: int,
    ttl: int | None,
    validity_interval_start: int | None,
    is_network_id_verifiable: bool,
) -> None:
    props: list[PropertyType] = [
        ("Transaction fee:", format_coin_amount(fee)),
    ]

    if is_network_id_verifiable:
        props.append(
            ("Network: %s" % protocol_magics.to_ui_string(protocol_magic), None)
        )

    props.append(
        ("Valid since: %s" % format_optional_int(validity_interval_start), None)
    )
    props.append(("TTL: %s" % format_optional_int(ttl), None))

    await confirm_properties(
        ctx,
        "confirm_total",
        title="Confirm transaction",
        props=props,
        hold=True,
        br_code=ButtonRequestType.Other,
    )


async def confirm_certificate(
    ctx: wire.Context, certificate: CardanoTxCertificate
) -> None:
    # stake pool registration requires custom confirmation logic not covered
    # in this call
    assert certificate.type != CardanoCertificateType.STAKE_POOL_REGISTRATION

    props = [
        ("Confirm:", CERTIFICATE_TYPE_NAMES[certificate.type]),
        (
            "for account %s:" % format_account_number(certificate.path),
            address_n_to_str(to_account_path(certificate.path)),
        ),
    ]
    if certificate.type == CardanoCertificateType.STAKE_DELEGATION:
        assert certificate.pool is not None  # validate_certificate
        props.append(("to pool:", format_stake_pool_id(certificate.pool)))

    await confirm_properties(
        ctx,
        "confirm_certificate",
        title="Confirm transaction",
        props=props,
        br_code=ButtonRequestType.Other,
    )


async def confirm_stake_pool_parameters(
    ctx: wire.Context, pool_parameters: CardanoPoolParametersType
) -> None:
    margin_percentage = (
        100.0 * pool_parameters.margin_numerator / pool_parameters.margin_denominator
    )
    percentage_formatted = ("%f" % margin_percentage).rstrip("0").rstrip(".")
    await confirm_properties(
        ctx,
        "confirm_pool_registration",
        title="Confirm transaction",
        props=[
            (
                "Stake pool registration\nPool ID:",
                format_stake_pool_id(pool_parameters.pool_id),
            ),
            ("Pool reward account:", pool_parameters.reward_account),
            (
                "Pledge: {}\nCost: {}\nMargin: {}%".format(
                    format_coin_amount(pool_parameters.pledge),
                    format_coin_amount(pool_parameters.cost),
                    percentage_formatted,
                ),
                None,
            ),
        ],
        br_code=ButtonRequestType.Other,
    )


async def confirm_stake_pool_owner(
    ctx: wire.Context,
    keychain: seed.Keychain,
    owner: CardanoPoolOwner,
    network_id: int,
) -> None:
    props: list[tuple[str, str | None]] = []
    if owner.staking_key_path:
        props.append(("Pool owner:", address_n_to_str(owner.staking_key_path)))
        props.append(
            (
                encode_human_readable_address(
                    pack_reward_address_bytes(
                        get_public_key_hash(keychain, owner.staking_key_path),
                        network_id,
                    )
                ),
                None,
            )
        )
    else:
        assert owner.staking_key_hash is not None  # validate_pool_owners
        props.append(
            (
                "Pool owner:",
                encode_human_readable_address(
                    pack_reward_address_bytes(owner.staking_key_hash, network_id)
                ),
            )
        )

    await confirm_properties(
        ctx,
        "confirm_pool_owners",
        title="Confirm transaction",
        props=props,
        br_code=ButtonRequestType.Other,
    )


async def confirm_stake_pool_metadata(
    ctx: wire.Context,
    metadata: CardanoPoolMetadataType | None,
) -> None:
    if metadata is None:
        await confirm_properties(
            ctx,
            "confirm_pool_metadata",
            title="Confirm transaction",
            props=[("Pool has no metadata (anonymous pool)", None)],
            br_code=ButtonRequestType.Other,
        )
        return

    await confirm_properties(
        ctx,
        "confirm_pool_metadata",
        title="Confirm transaction",
        props=[
            ("Pool metadata url:", metadata.url),
            ("Pool metadata hash:", metadata.hash),
        ],
        br_code=ButtonRequestType.Other,
    )


async def confirm_stake_pool_registration_final(
    ctx: wire.Context,
    protocol_magic: int,
    ttl: int | None,
    validity_interval_start: int | None,
) -> None:
    await confirm_properties(
        ctx,
        "confirm_pool_final",
        title="Confirm transaction",
        props=[
            ("Confirm signing the stake pool registration as an owner.", None),
            ("Network:", protocol_magics.to_ui_string(protocol_magic)),
            ("Valid since:", format_optional_int(validity_interval_start)),
            ("TTL:", format_optional_int(ttl)),
        ],
        hold=True,
        br_code=ButtonRequestType.Other,
    )


async def confirm_withdrawal(
    ctx: wire.Context, withdrawal: CardanoTxWithdrawal
) -> None:
    await confirm_properties(
        ctx,
        "confirm_withdrawal",
        title="Confirm transaction",
        props=[
            (
                "Confirm withdrawal\nfor account %s:"
                % format_account_number(withdrawal.path),
                address_n_to_str(to_account_path(withdrawal.path)),
            ),
            ("Amount:", format_coin_amount(withdrawal.amount)),
        ],
        br_code=ButtonRequestType.Other,
    )


async def confirm_catalyst_registration(
    ctx: wire.Context,
    public_key: str,
    staking_path: list[int],
    reward_address: str,
    nonce: int,
) -> None:
    await confirm_properties(
        ctx,
        "confirm_catalyst_registration",
        title="Confirm transaction",
        props=[
            ("Catalyst voting key registration", None),
            ("Voting public key:", public_key),
            (
                "Staking key for account %s:" % format_account_number(staking_path),
                address_n_to_str(staking_path),
            ),
            ("Rewards go to:", reward_address),
            ("Nonce:", str(nonce)),
        ],
        br_code=ButtonRequestType.Other,
    )


async def show_auxiliary_data_hash(
    ctx: wire.Context, auxiliary_data_hash: bytes
) -> None:
    await confirm_properties(
        ctx,
        "confirm_auxiliary_data",
        title="Confirm transaction",
        props=[("Auxiliary data hash:", auxiliary_data_hash)],
        br_code=ButtonRequestType.Other,
    )


async def show_warning_address_foreign_staking_key(
    ctx: wire.Context,
    account_path: list[int],
    staking_account_path: list[int],
    staking_key_hash: bytes | None,
) -> None:
    # TODO: confirm_properties not appropriate here
    # instead, presumably, this should be a flow:
    # 1. show_warning: Mismatch! continue?
    # 2. confirm_blob(mismatched_value)
    props: list[PropertyType] = [
        (
            "Stake rights associated with this address do not match your account %s:"
            % format_account_number(account_path),
            address_n_to_str(account_path),
        )
    ]

    if staking_account_path:
        props.append(
            (
                "Stake account %s:" % format_account_number(staking_account_path),
                address_n_to_str(staking_account_path),
            )
        )
    else:
        assert staking_key_hash is not None  # _validate_base_address_staking_info
        props.append(("Staking key:", staking_key_hash))
    props.append(("Continue?", None))

    await confirm_properties(
        ctx,
        "warning_foreign_stakingkey",
        title="Warning",
        props=props,
        icon=ui.ICON_WRONG,
        icon_color=ui.RED,
        br_code=ButtonRequestType.Other,
    )


async def show_warning_tx_network_unverifiable(ctx: wire.Context) -> None:
    await confirm_metadata(
        ctx,
        "warning_no_outputs",
        title="Warning",
        content="Transaction has no outputs, network cannot be verified.",
        larger_vspace=True,
        br_code=ButtonRequestType.Other,
    )


async def show_warning_address_pointer(
    ctx: wire.Context, pointer: CardanoBlockchainPointerType
) -> None:
    content = "Pointer address:\nBlock: %s\nTransaction: %s\nCertificate: %s" % (
        pointer.block_index,
        pointer.tx_index,
        pointer.certificate_index,
    )
    await confirm_metadata(
        ctx,
        "warning_pointer",
        title="Warning",
        icon=ui.ICON_WRONG,
        icon_color=ui.RED,
        content=content,
        br_code=ButtonRequestType.Other,
    )