FRESHCHAT_RATE_LIMIT = 350
FRESHDESK_RATE_LIMIT = 300
FRESHDESK_RATE_LIMIT_ENTERPRISE = 500
MAX_RETRIES = 3
DEFAULT_TIMEOUT = 30.0
MAX_ATTACHMENT_SIZE_MB = 20
MAX_MESSAGE_LENGTH = 40000

FRESHCHAT_STATUS_VALUES = ("new", "active", "assigned", "resolved")
FRESHDESK_STATUS_MAP = {
    2: "Open",
    3: "Pending",
    4: "Resolved",
    5: "Closed",
}
FRESHDESK_PRIORITY_MAP = {
    1: "Low",
    2: "Medium",
    3: "High",
    4: "Urgent",
}

MESSAGE_PART_TYPES = frozenset({
    "text", "image", "file", "quick_replies",
    "card", "carousel", "location", "private_note",
})

VALID_FRESHCHAT_EVENTS = frozenset({
    "message_create",
    "message_update",
    "message_delete",
    "conversation_create",
    "conversation_update",
    "conversation_assignment",
    "conversation_resolution",
    "conversation_reopen",
})

VALID_FRESHDESK_EVENTS = frozenset({
    "ticket_created",
    "ticket_updated",
    "ticket_reply",
    "ticket_note_added",
    "ticket_assigned",
    "ticket_deleted",
})

FRESHDESK_RETRY_MAX = 3
FRESHDESK_RETRY_BASE = 1.0
FRESHDESK_RETRY_MAX_DELAY = 10.0

RECONCILE_INTERVAL_SECONDS = 300

FRESHDESK_BLOCK_STREAMING_CHUNK_MIN_CHARS = 300
FRESHDESK_BLOCK_STREAMING_CHUNK_MAX_CHARS = 1500