BASE_URL = "https://api.flock.com/v1/"
API_TIMEOUT = 30

ENDPOINT_SEND_MESSAGE = "chat.sendMessage"
ENDPOINT_FETCH_MESSAGES = "chat.fetchMessages"
ENDPOINT_GET_UPLOAD_URL = "chat.getUploadUrl"
ENDPOINT_USER_GET_INFO = "users.getInfo"
ENDPOINT_USER_PUBLIC_PROFILE = "users.getPublicProfile"
ENDPOINT_CHANNEL_LIST = "channels.list"
ENDPOINT_CHANNEL_GET_INFO = "channels.getInfo"
ENDPOINT_CHANNEL_GET_MEMBERS = "channels.getMembers"

BOT_TOKEN_PATTERN = r"^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"

PREFIX_USER = "u:"
PREFIX_GROUP = "g:"
PREFIX_TEAM = "t:"
PREFIX_BOT = "b:"

FLOCK_USER_ID_PATTERN = r"^u:[a-zA-Z0-9]+$"
FLOCK_GROUP_ID_PATTERN = r"^g:[a-zA-Z0-9]+$"

MAX_TEXT_LENGTH = 7000
MAX_FLOCKML_LENGTH = 15000
MAX_ATTACHMENT_COUNT = 10
MAX_FILE_SIZE_MB = 100
MAX_POLL_INTERVAL = 30
POLL_TIMEOUT = 30

RATE_LIMIT_PER_MINUTE = 100
RATE_LIMIT_RETRY_AFTER_DEFAULT = 30

MAX_RETRIES = 3
RETRY_BASE_DELAY = 1.0
RETRY_MAX_DELAY = 30.0

RETRYABLE_ERRORS = frozenset(
    {
        "RateLimitExceeded",
        "ServiceUnavailable",
        "InternalError",
    }
)

NON_RETRYABLE_ERRORS = frozenset(
    {
        "InvalidToken",
        "TokenExpired",
        "UserNotFound",
        "ChannelNotFound",
        "NotAuthorized",
        "InvalidRequest",
        "InvalidFlockML",
        "MessageTooLong",
        "AttachmentTooLarge",
    }
)

EVENT_MESSAGE_RECEIVE = "chat.receiveMessage"
EVENT_SLASH_COMMAND = "client.slashCommand"
EVENT_CHAT_ACTION = "client.chatAction"
EVENT_APP_INSTALL = "app.install"
EVENT_APP_UNINSTALL = "app.uninstall"

WEBHOOK_PATH_EVENT_LISTENER = "/api/channel/flock/events"
WEBHOOK_PATH_OUTGOING = "/api/channel/flock/outgoing"

X_FLOCK_EVENT_TOKEN = "X-Flock-Event-Token"

ALLOWED_FLOCKML_TAGS = frozenset(
    {
        "b",
        "i",
        "u",
        "s",
        "strike",
        "em",
        "strong",
        "code",
        "pre",
        "a",
        "br",
        "hr",
        "ul",
        "ol",
        "li",
        "table",
        "tr",
        "td",
        "th",
        "img",
        "user",
        "channel",
        "blockquote",
    }
)

PROBE_TIMEOUT = 10

PAIRING_CODE_LENGTH = 6
PAIRING_CODE_TTL_SECONDS = 600
PAIRING_RATE_LIMIT_PER_PEER = 5
PAIRING_MAX_ATTEMPTS = 5

DEDUPE_MAX_SIZE = 1000
DEDUPE_TTL_SECONDS = 300