import os
import pathlib

# Network
HOST = "127.0.0.1"
PORT = 4000

# Paths / files
SERVICE_JSON = pathlib.Path("/etc/pikit/services.json")
RESET_LOG = pathlib.Path("/var/log/pikit-reset.log")
API_LOG = pathlib.Path("/var/log/pikit-api.log")
READY_FILE = pathlib.Path("/var/run/pikit-ready")
VERSION_FILE = pathlib.Path("/etc/pikit/version")
WEB_VERSION_FILE = pathlib.Path("/var/www/pikit-web/data/version.json")
UPDATE_STATE_DIR = pathlib.Path("/var/lib/pikit-update")
UPDATE_STATE = UPDATE_STATE_DIR / "state.json"
UPDATE_LOCK = pathlib.Path("/var/run/pikit-update.lock")
WEB_ROOT = pathlib.Path("/var/www/pikit-web")
API_PATH = pathlib.Path("/usr/local/bin/pikit-api.py")
API_DIR = API_PATH.parent
API_PACKAGE_DIR = API_DIR / "pikit_api"
BACKUP_ROOT = pathlib.Path("/var/backups/pikit")
TMP_ROOT = pathlib.Path("/var/tmp/pikit-update")

# Apt / unattended-upgrades
APT_AUTO_CFG = pathlib.Path("/etc/apt/apt.conf.d/20auto-upgrades")
APT_UA_BASE = pathlib.Path("/etc/apt/apt.conf.d/50unattended-upgrades")
APT_UA_OVERRIDE = pathlib.Path("/etc/apt/apt.conf.d/51pikit-unattended.conf")
DEFAULT_UPDATE_TIME = "04:00"
DEFAULT_UPGRADE_TIME = "04:30"
SECURITY_PATTERNS = [
    "origin=Debian,codename=${distro_codename},label=Debian-Security",
    "origin=Debian,codename=${distro_codename}-security,label=Debian-Security",
]
ALL_PATTERNS = [
    "origin=Debian,codename=${distro_codename},label=Debian",
    *SECURITY_PATTERNS,
]

# Release updater
DEFAULT_MANIFEST_URL = os.environ.get(
    "PIKIT_MANIFEST_URL",
    # Stable manifest (raw in repo, public)
    "https://git.44r0n.cc/44r0n7/pi-kit/raw/branch/main/manifests/manifest-stable.json",
)
DEFAULT_DEV_MANIFEST_URL = os.environ.get(
    "PIKIT_DEV_MANIFEST_URL",
    # Dev manifest (raw in repo, public)
    "https://git.44r0n.cc/44r0n7/pi-kit/raw/branch/main/manifests/manifest-dev.json",
)
AUTH_TOKEN = os.environ.get("PIKIT_AUTH_TOKEN")

# Flags / ports
DEBUG_FLAG = pathlib.Path("/boot/pikit-debug").exists()
HTTPS_PORTS = {443, 5252}
CORE_PORTS = {80}
CORE_NAME = "Pi-Kit Dashboard"

# Diagnostics (RAM backed where available)
DIAG_STATE_FILE = (
    pathlib.Path("/dev/shm/pikit-diag.state")
    if pathlib.Path("/dev/shm").exists()
    else pathlib.Path("/tmp/pikit-diag.state")
)
DIAG_LOG_FILE = (
    pathlib.Path("/dev/shm/pikit-diag.log")
    if pathlib.Path("/dev/shm").exists()
    else pathlib.Path("/tmp/pikit-diag.log")
)
DIAG_MAX_BYTES = 1_048_576  # 1 MiB cap in RAM
DIAG_MAX_ENTRY_CHARS = 2048
DIAG_DEFAULT_STATE = {"enabled": False, "level": "normal"}  # level: normal|debug