"""
Telegram 按鈕一致性測試
======================
驗證 send_info_notification 與 _send_approval_card_to_group 的 reply_markup 鏈路

測試策略 (遵循 feedback_no_mock_testing.md):
- 直接讀取 source code 驗證實作結構（不發送實際 Telegram 訊息）
- 鬼魂按鈕鐵律（feedback_no_ghost_buttons.md）:
  每個按鈕必須同時具備 callback_data 格式/handler/MCP能力

建立: 2026-04-25 (台北時區)
建立者: ogt + Claude Sonnet 4.6
"""

import re


def _read_gateway() -> str:
    with open("src/services/telegram_gateway.py", encoding="utf-8") as f:
        return f.read()


def _read_security_interceptor() -> str:
    with open("src/services/security_interceptor.py", encoding="utf-8") as f:
        return f.read()


# =============================================================================
# Test: send_info_notification 按鈕結構
# =============================================================================

class TestSendInfoNotificationKeyboard:
    """驗證 TYPE-1 純資訊通知現在附帶 read-only 按鈕"""

    def test_send_info_notification_has_reply_markup(self):
        """send_info_notification payload 包含 reply_markup"""
        source = _read_gateway()
        # 取出 send_info_notification 函式體（從定義到下一個 async def）
        match = re.search(
            r"async def send_info_notification.*?(?=\n    async def |\n    # ====)",
            source,
            re.DOTALL,
        )
        assert match, "找不到 send_info_notification 函式"
        fn_body = match.group(0)
        assert '"reply_markup"' in fn_body, (
            "send_info_notification 必須在 payload 中包含 reply_markup"
        )

    def test_send_info_notification_detail_button_correct_format(self):
        """detail 按鈕使用 2-part info 格式 detail:{incident_id}"""
        source = _read_gateway()
        match = re.search(
            r"async def send_info_notification.*?(?=\n    async def |\n    # ====)",
            source,
            re.DOTALL,
        )
        assert match, "找不到 send_info_notification 函式"
        fn_body = match.group(0)
        assert 'f"detail:{incident_id}"' in fn_body, (
            "detail 按鈕 callback_data 必須使用 detail:{incident_id} 格式（ADR-050 2-part info）"
        )

    def test_send_info_notification_history_button_correct_format(self):
        """history 按鈕使用 2-part info 格式 history:{incident_id}"""
        source = _read_gateway()
        match = re.search(
            r"async def send_info_notification.*?(?=\n    async def |\n    # ====)",
            source,
            re.DOTALL,
        )
        assert match, "找不到 send_info_notification 函式"
        fn_body = match.group(0)
        assert 'f"history:{incident_id}"' in fn_body, (
            "history 按鈕 callback_data 必須使用 history:{incident_id} 格式（ADR-050 2-part info）"
        )

    def test_send_info_notification_no_nonce_in_buttons(self):
        """send_info_notification 按鈕不含 nonce（純查類，無副作用）"""
        source = _read_gateway()
        match = re.search(
            r"async def send_info_notification.*?(?=\n    async def |\n    # ====)",
            source,
            re.DOTALL,
        )
        assert match, "找不到 send_info_notification 函式"
        fn_body = match.group(0)
        assert "generate_callback_nonce" not in fn_body, (
            "send_info_notification 的按鈕不應包含 nonce（TYPE-1 為純資訊，不應有寫類操作）"
        )


# =============================================================================
# Test: _send_approval_card_to_group 按鈕結構
# =============================================================================

class TestSendApprovalCardToGroupKeyboard:
    """驗證群組卡片現在附帶 read-only 按鈕"""

    def test_group_card_calls_send_to_group_with_reply_markup(self):
        """_send_approval_card_to_group 呼叫 send_to_group 時傳遞 reply_markup"""
        source = _read_gateway()
        match = re.search(
            r"async def _send_approval_card_to_group.*?(?=\n    # ====)",
            source,
            re.DOTALL,
        )
        assert match, "找不到 _send_approval_card_to_group 函式"
        fn_body = match.group(0)
        assert "reply_markup" in fn_body, (
            "_send_approval_card_to_group 必須傳 reply_markup 給 send_to_group"
        )

    def test_group_card_detail_button_correct_format(self):
        """群組卡片 detail 按鈕：接受 inline 2-part 或 _build_inline_keyboard 通用建構器

        2026-04-26 by Claude Opus 4.7 — 對齊 bb12647e 後的群組卡片升級
        - bb12647e: 群組卡片改用 _build_inline_keyboard（與 DM 相同六鍵佈局）
        - 不再 inline 寫 f"detail:{incident_id}"，但 _build_inline_keyboard 內仍會產生
        - 所以接受兩種設計：直接 inline 或透過通用建構器
        """
        source = _read_gateway()
        match = re.search(
            r"async def _send_approval_card_to_group.*?(?=\n    # ====)",
            source,
            re.DOTALL,
        )
        assert match, "找不到 _send_approval_card_to_group 函式"
        fn_body = match.group(0)
        has_inline_detail = 'f"detail:{incident_id}"' in fn_body
        has_keyboard_builder = "_build_inline_keyboard" in fn_body
        assert has_inline_detail or has_keyboard_builder, (
            "群組卡片必須有 detail 按鈕：inline 2-part 格式 或透過 _build_inline_keyboard 通用建構器"
        )

    def test_group_card_no_nonce_buttons(self):
        """群組卡片絕不包含 nonce（ADR-075 斷點 C：防洩漏）"""
        source = _read_gateway()
        match = re.search(
            r"async def _send_approval_card_to_group.*?(?=\n    # ====)",
            source,
            re.DOTALL,
        )
        assert match, "找不到 _send_approval_card_to_group 函式"
        fn_body = match.group(0)
        assert "generate_callback_nonce" not in fn_body, (
            "_send_approval_card_to_group 群組訊息絕不含 nonce（ADR-075 斷點 C 安全設計）"
        )

    def test_group_card_keyboard_conditional_on_incident_id(self):
        """群組按鍵僅在有 incident_id 時才建立（防 empty callback_data）"""
        source = _read_gateway()
        match = re.search(
            r"async def _send_approval_card_to_group.*?(?=\n    # ====)",
            source,
            re.DOTALL,
        )
        assert match, "找不到 _send_approval_card_to_group 函式"
        fn_body = match.group(0)
        # 確認有 if incident_id 守衛
        assert "if incident_id" in fn_body, (
            "群組按鍵必須有 if incident_id 守衛，避免 callback_data 空字串"
        )


# =============================================================================
# Test: SRE group cutover (2026-04-30)
# =============================================================================

class TestSREGroupCutover:
    """驗證告警卡片只送 SRE 戰情室，不再先送個人 DM。"""

    def test_send_approval_card_uses_alert_chat_id(self):
        source = _read_gateway()
        match = re.search(
            r"async def send_approval_card.*?(?=\n    async def _send_approval_card_to_group)",
            source,
            re.DOTALL,
        )
        assert match, "找不到 send_approval_card 函式"
        fn_body = match.group(0)
        assert '"chat_id": target_chat_id' in fn_body
        assert "target_chat_id = self.alert_chat_id" in fn_body
        assert '"chat_id": self.chat_id' not in fn_body

    def test_send_approval_card_does_not_double_send_group(self):
        source = _read_gateway()
        match = re.search(
            r"async def send_approval_card.*?(?=\n    async def _send_approval_card_to_group)",
            source,
            re.DOTALL,
        )
        assert match, "找不到 send_approval_card 函式"
        fn_body = match.group(0)
        assert "_send_approval_card_to_group(" not in fn_body
        assert "asyncio.create_task" not in fn_body


# =============================================================================
# Test: callback handler 完整性（鬼魂按鈕鐵律）
# =============================================================================

class TestCallbackHandlerCompleteness:
    """驗證 detail/history 按鈕有對應的 handler（鬼魂按鈕鐵律三條件之二）"""

    def test_detail_action_in_info_actions_whitelist(self):
        """detail action 在 INFO_ACTIONS 白名單中"""
        source = _read_security_interceptor()
        assert '"detail"' in source, "detail 必須在 INFO_ACTIONS 白名單"
        # 確認是在 INFO_ACTIONS 集合定義中
        assert "INFO_ACTIONS" in source

    def test_history_action_in_info_actions_whitelist(self):
        """history action 在 INFO_ACTIONS 白名單中"""
        source = _read_security_interceptor()
        assert '"history"' in source, "history 必須在 INFO_ACTIONS 白名單"

    def test_detail_handler_exists_in_handle_callback(self):
        """handle_callback 有 detail handler 分支"""
        source = _read_gateway()
        assert 'action == "detail"' in source, (
            "handle_callback 必須有 detail handler 分支"
        )

    def test_history_handler_exists_in_handle_callback(self):
        """handle_callback 有 history handler 分支"""
        source = _read_gateway()
        assert 'action == "history"' in source, (
            "handle_callback 必須有 history handler 分支"
        )

    def test_send_incident_detail_method_exists(self):
        """_send_incident_detail 方法存在（handler 的實際執行體）"""
        assert "_send_incident_detail" in _read_gateway()

    def test_send_incident_history_method_exists(self):
        """_send_incident_history 方法存在（handler 的實際執行體）"""
        assert "_send_incident_history" in _read_gateway()