from dataclasses import dataclass
from typing import Final
import os


@dataclass(frozen=True)
class Constants:

    DB_VERSION_THIS_APP_WANTS = 1

    # ticketing group:
    TICKET_API_BASE_URL:        Final[str] = os.environ.get(
        "TICKET_API_BASE_URL", "https://ticket.hydraveil.net"
    )
    SP_API_BASE_URL:            Final[str] = os.environ.get(
        'SP_API_BASE_URL', 'https://fake.simplifiedprivacy.org/api/v1'
    )
    PING_URL:                   Final[str] = os.environ.get(
        'PING_URL', 'https://fake.simplifiedprivacy.org/api/v1//health'
    )
    CONNECTION_RETRY_INTERVAL:  Final[int] = int(os.environ.get('CONNECTION_RETRY_INTERVAL', '5'))
    MAX_CONNECTION_ATTEMPTS:    Final[int] = int(os.environ.get('MAX_CONNECTION_ATTEMPTS', '2'))
    HV_CLIENT_PATH:             Final[str] = os.environ.get('HV_CLIENT_PATH')
    HV_CLIENT_VERSION_NUMBER:   Final[str] = os.environ.get('HV_CLIENT_VERSION_NUMBER')

    # ── Paths base ────────────────────────────────────────────────────────────
    HOME:                       Final[str] = os.path.expanduser('~')
    SYSTEM_CONFIG_PATH:         Final[str] = '/etc'

    # ── XDG estándar ─────────────────────────────────────────────────────────
    CACHE_HOME:                 Final[str] = os.environ.get('XDG_CACHE_HOME',  os.path.join(HOME, '.cache'))
    CONFIG_HOME:                Final[str] = os.environ.get('XDG_CONFIG_HOME', os.path.join(HOME, '.config'))
    DATA_HOME:                  Final[str] = os.environ.get('XDG_DATA_HOME',   os.path.join(HOME, '.local/share'))
    STATE_HOME:                 Final[str] = os.environ.get('XDG_STATE_HOME',  os.path.join(HOME, '.local/state'))

    # ── hydra-veil dirs ───────────────────────────────────────────────────────
    HV_SYSTEM_CONFIG_PATH:      Final[str] = f'{SYSTEM_CONFIG_PATH}/hydra-veil'
    HV_CACHE_HOME:              Final[str] = f'{CACHE_HOME}/hydra-veil'
    HV_CONFIG_HOME:             Final[str] = f'{CONFIG_HOME}/hydra-veil'
    HV_DATA_HOME:               Final[str] = f'{DATA_HOME}/hydra-veil'
    HV_STATE_HOME:              Final[str] = f'{STATE_HOME}/hydra-veil'

    HV_SYSTEM_PROFILE_CONFIG_PATH: Final[str] = f'{HV_SYSTEM_CONFIG_PATH}/profiles'
    HV_PROFILE_CONFIG_HOME:     Final[str] = f'{HV_CONFIG_HOME}/profiles'
    HV_PROFILE_DATA_HOME:       Final[str] = f'{HV_DATA_HOME}/profiles'
    HV_TICKETING_CONFIG_HOME:   Final[str] = f'{HV_CONFIG_HOME}/ticketing'
    HV_TICKETING_DATA_HOME:     Final[str] = f'{HV_DATA_HOME}/ticket_data'
    HV_APPLICATION_DATA_HOME:   Final[str] = f'{HV_DATA_HOME}/applications'
    HV_INCIDENT_DATA_HOME:      Final[str] = f'{HV_DATA_HOME}/incidents'
    HV_RUNTIME_DATA_HOME:       Final[str] = f'{HV_DATA_HOME}/runtime'
    HV_STORAGE_DATABASE_PATH:   Final[str] = f'{HV_DATA_HOME}/storage.db'
    HV_CAPABILITY_POLICY_PATH:  Final[str] = f'{SYSTEM_CONFIG_PATH}/apparmor.d/hydra-veil'
    HV_PRIVILEGE_POLICY_PATH:   Final[str] = f'{SYSTEM_CONFIG_PATH}/sudoers.d/hydra-veil'
    HV_SESSION_STATE_HOME:      Final[str] = f'{HV_STATE_HOME}/sessions'
    HV_TOR_STATE_HOME:          Final[str] = f'{HV_STATE_HOME}/tor'

    # ── sing-box ──────────────────────────────────────────────────────────────
    SINGBOX_WRAPPER:            Final[str] = os.environ.get(
        'SINGBOX_WRAPPER', '/usr/local/bin/hydraveil-singbox'
    )
    SINGBOX_BIN:                Final[str] = os.environ.get(
        'SINGBOX_BIN', '/usr/bin/sing-box'
    )
    SINGBOX_CONFIG_DIR:         Final[str] = f'{HV_DATA_HOME}/configs'
    SINGBOX_PID_FILE:           Final[str] = f'{HV_RUNTIME_DATA_HOME}/singbox.pid'
    SINGBOX_LOG_FILE:           Final[str] = f'{HV_RUNTIME_DATA_HOME}/singbox.log'
    SINGBOX_TUN_IF:             Final[str] = os.environ.get('SINGBOX_TUN_IF', 'tun0')
    SINGBOX_INTERNAL_SUBNET:    Final[str] = os.environ.get('SINGBOX_INTERNAL_SUBNET', '172.19.0.0/30')
    SINGBOX_INTERNAL_ADDR:      Final[str] = os.environ.get('SINGBOX_INTERNAL_ADDR', '172.19.0.1/30')

    # ── killswitch / dns wrappers ─────────────────────────────────────────────
    KILLSWITCH_WRAPPER:         Final[str] = os.environ.get(
        'KILLSWITCH_WRAPPER', '/usr/local/bin/hydraveil-killswitch'
    )
    RESOLVECTL_WRAPPER:         Final[str] = os.environ.get(
        'RESOLVECTL_WRAPPER', '/usr/local/bin/hydraveil-resolvectl'
    )

    VLESS_DNS_ENABLED:     Final[bool] = os.environ.get('VLESS_DNS_ENABLED', 'true').lower() == 'true'
    HYSTERIA2_DNS_ENABLED: Final[bool] = os.environ.get('HYSTERIA2_DNS_ENABLED', 'true').lower() == 'true'