"""outbound.py DTO 单元测试。

覆盖 ``RichMessageButton`` / ``RichMessageOption`` / ``RichMessageSelect`` /
``RichMessageDatePicker`` / ``RichMessageCheckbox`` / ``RichMessageInput`` /
``RichMessage`` / ``RichMessageFields`` / ``OutboundPayload`` /
``FormattedMessage`` / ``TrustedMessage`` / ``FinalMessage`` /
``BatchSendItem`` / ``BatchSendResult`` 的字段赋值、默认值、不可变语义与
``__post_init__`` 校验逻辑。
"""

from __future__ import annotations

import dataclasses

import pytest
from yuxi.channels.contract.dtos.common import Attachment, MessageFormat
from yuxi.channels.contract.dtos.outbound import (
    BatchSendItem,
    BatchSendResult,
    FinalMessage,
    FormattedMessage,
    OutboundPayload,
    RichMessage,
    RichMessageButton,
    RichMessageCheckbox,
    RichMessageDatePicker,
    RichMessageFields,
    RichMessageInput,
    RichMessageOption,
    RichMessageSelect,
    TrustedMessage,
)
from yuxi.channels.contract.errors import ValidationError

pytestmark = pytest.mark.unit


@pytest.mark.unit
class TestRichMessageButton:
    """富消息按钮 DTO 测试。"""

    def test_fields_are_assigned_with_defaults(self):
        # Act
        btn = RichMessageButton(label="OK", action="confirm")
        # Assert
        assert btn.value is None


@pytest.mark.unit
class TestRichMessageOption:
    """富消息选项 DTO 测试。"""

    def test_fields_are_assigned(self):
        # Act
        opt = RichMessageOption(label="Option A", value="a")
        # Assert
        assert opt.value == "a"


@pytest.mark.unit
class TestRichMessageSelect:
    """富消息下拉选择器组件 DTO 测试。"""

    def test_fields_are_assigned_with_defaults(self):
        # Act
        sel = RichMessageSelect(
            name="sel1", label="Select", options=(RichMessageOption("A", "a"),)
        )
        # Assert
        assert sel.placeholder is None
        assert sel.default_value is None


@pytest.mark.unit
class TestRichMessage:
    """富消息 DTO 测试。"""

    def test_fields_are_assigned_with_defaults(self):
        # Act
        msg = RichMessage(text="hello")
        # Assert
        assert msg.title is None
        assert msg.buttons == ()
        assert msg.options == ()
        assert msg.attachments == ()
        assert msg.selects == ()

    def test_is_frozen(self):
        # Arrange
        msg = RichMessage(text="hello")
        # Act / Assert
        with pytest.raises(dataclasses.FrozenInstanceError):
            msg.text = "other"  # type: ignore[misc]


@pytest.mark.unit
class TestRichMessageFields:
    """富消息字段 DTO 测试。"""

    def test_default_fallback_format(self):
        # Act
        fields = RichMessageFields(rich_message=RichMessage(text="hi"))
        # Assert
        assert fields.fallback_format == MessageFormat.MARKDOWN


@pytest.mark.unit
class TestOutboundPayload:
    """出站负载 DTO 测试。"""

    def test_defaults(self):
        # Act
        payload = OutboundPayload()
        # Assert
        assert payload.agent_run_id is None
        assert payload.stream_chunks == ()
        assert payload.rich_message_fields is None
        assert payload.attachments == ()


@pytest.mark.unit
class TestFormattedMessage:
    """格式化消息 DTO 测试。"""

    def test_defaults(self):
        # Act
        msg = FormattedMessage(content="hello")
        # Assert
        assert msg.format == MessageFormat.TEXT
        assert msg.rich_message is None
        assert msg.attachments == ()


@pytest.mark.unit
class TestTrustedMessage:
    """可信消息 DTO 测试。"""

    def test_fields_are_assigned_with_defaults(self):
        # Act
        msg = TrustedMessage(content="hello", sender_id="sender-1")
        # Assert
        assert msg.is_owner is False
        assert msg.rich_message is None

    def test_is_frozen(self):
        # Arrange
        msg = TrustedMessage(content="hello", sender_id="s1")
        # Act / Assert
        with pytest.raises(dataclasses.FrozenInstanceError):
            msg.sender_id = "other"  # type: ignore[misc]

    def test_empty_sender_id_raises(self):
        # Act / Assert
        with pytest.raises(ValidationError) as exc_info:
            TrustedMessage(content="hello", sender_id="")
        assert exc_info.value.field == "sender_id"

    def test_empty_content_is_allowed(self):
        # Act - 流式模式下 trusted-inject 阶段 content 可为空
        msg = TrustedMessage(content="", sender_id="s1")
        # Assert
        assert msg.content == ""


@pytest.mark.unit
class TestFinalMessage:
    """最终消息 DTO 测试。"""

    def test_fields_are_assigned_with_defaults(self):
        # Act
        msg = FinalMessage(content="hello", sender_id="s1")
        # Assert
        assert msg.prefix is None
        assert msg.rich_message is None

    def test_empty_content_raises(self):
        # Act / Assert
        with pytest.raises(ValidationError) as exc_info:
            FinalMessage(content="", sender_id="s1")
        assert exc_info.value.field == "content"

    def test_empty_sender_id_raises(self):
        # Act / Assert
        with pytest.raises(ValidationError) as exc_info:
            FinalMessage(content="hello", sender_id="")
        assert exc_info.value.field == "sender_id"


@pytest.mark.unit
class TestBatchSendItem:
    """批量发送单条结果 DTO 测试。"""

    def test_fields_are_assigned_with_defaults(self):
        # Act
        item = BatchSendItem(peer_id="p1", channel_msg_id="msg-1", success=True)
        # Assert
        assert item.error is None

    def test_is_frozen(self):
        # Arrange
        item = BatchSendItem(peer_id="p1", channel_msg_id="m1", success=True)
        # Act / Assert
        with pytest.raises(dataclasses.FrozenInstanceError):
            item.success = False  # type: ignore[misc]


@pytest.mark.unit
class TestBatchSendResult:
    """批量发送结果 DTO 测试。"""

    def test_fields_are_assigned(self):
        # Arrange
        items = (BatchSendItem(peer_id="p1", channel_msg_id="m1", success=True),)
        # Act
        result = BatchSendResult(
            total=1, succeeded=("p1",), failed=(), items=items
        )
        # Assert
        assert result.total == 1
        assert result.succeeded == ("p1",)