INTERCOM_API_BASES = {
    "us": "https://api.intercom.io",
    "eu": "https://api.eu.intercom.io",
    "au": "https://api.au.intercom.io",
}
DEFAULT_DATACENTER = "us"
INTERCOM_API_VERSION = "2.15"

INTERCOM_DEFAULT_TIMEOUT = 30.0
INTERCOM_MAX_RETRIES = 3
INTERCOM_RETRY_BASE_DELAY = 1.0
INTERCOM_RETRY_MAX_DELAY = 8.0

INTERCOM_DEDUPE_TTL_SECONDS = 60
INTERCOM_DEDUPE_MAX_SIZE = 10000

INTERCOM_TEXT_CHUNK_LIMIT = 40000

INTERCOM_BLOCK_STREAMING_CHUNK_MIN_CHARS = 500
INTERCOM_BLOCK_STREAMING_CHUNK_MAX_CHARS = 2000

INTERCOM_WEBHOOK_TOPICS_HANDLED = frozenset(
    [
        # 用户消息事件
        "conversation.user.created",
        "conversation.user.replied",
        # 管理员事件（P0 新增）
        "conversation.admin.closed",
        "conversation.admin.opened",
        "conversation.admin.snoozed",
        "conversation.admin.unsnoozed",
        "conversation.admin.assigned",
        "conversation.admin.replied",
        "conversation.admin.single.created",
        # 其他 Bot / Operator 回复（P0 新增）
        "conversation.operator.replied",
        # 会话状态事件（P1 新增）
        "conversation.deleted",
        "conversation.priority.updated",
        "conversation.rating.added",
        "conversation.read",
        # 消息事件（P1 新增）
        "conversation_part.redacted",
        "conversation_part.tag.created",
    ]
)

INTERCOM_CONVERSATION_STATES = frozenset(["open", "snoozed", "closed"])

INTERCOM_PART_TYPES = frozenset(["comment", "note", "assignment", "close", "open", "snooze"])

INTERCOM_DM_POLICY_OPEN = "open"
INTERCOM_DM_POLICY_PAIRING = "pairing"
INTERCOM_DM_POLICY_ALLOWLIST = "allowlist"
INTERCOM_DM_POLICY_DISABLED = "disabled"

INTERCOM_HANDOFF_POLICY_IGNORE = "ignore"
INTERCOM_HANDOFF_POLICY_NOTE_ONLY = "note_only"
INTERCOM_HANDOFF_POLICY_CONTINUE = "continue"

INTERCOM_AGENT_PROMPT_RULES = [
    "Your response will be sent to Intercom Messenger as an admin reply.",
    "The message format is HTML. Use <strong> for bold, <em> for italic.",
    'Use <a href="URL">text</a> for links.',
    "Use <ul><li>item</li></ul> for unordered lists.",
    "Use <ol><li>item</li></ol> for ordered lists.",
    "Use <code> for inline code and <pre><code> for code blocks.",
    "Do not use markdown headings (use <p><strong>heading</strong></p> instead).",
    "Do not use pipe tables (use <pre> for table-like text).",
    "Keep responses friendly, professional, and solution-oriented.",
    "Identify yourself as an AI assistant when relevant.",
]