"""Everything you might want to change lives here.

Copy the values out of `GET /api/targets` (or the old `/targets`) the
first time you run this, so the names below match exactly what HEOS
reports for your own devices.
"""

import os
from pathlib import Path


def _load_dotenv(path: Path):
    """A `source .env` a shell might forget to `export` is a whole class of
    bug this sidesteps: read the file directly, rather than trusting
    whatever the calling shell's environment happens to contain. Existing
    environment variables still win, so a real export (or systemd's
    EnvironmentFile) overrides the file rather than the other way round."""
    if not path.exists():
        return
    for line in path.read_text().splitlines():
        line = line.strip()
        if not line or line.startswith("#") or "=" not in line:
            continue
        key, _, value = line.partition("=")
        os.environ.setdefault(key.strip(), value.strip())


_load_dotenv(Path(__file__).resolve().parent / ".env")

# --- Network ----------------------------------------------------------
# Any ONE HEOS device's IP is enough: HEOS is a distributed system, so
# whichever unit you connect to can see and control every player and
# group on the network.
HEOS_HOST = "192.168.0.10"
HEOS_PORT = 1255

# Port the panel itself listens on.
WEB_PORT = 5443

# --- Rooms ------------------------------------------------------------
# key -> how to find it on the network, and how to label it in the UI.
#
#   heos_name    : the EXACT name HEOS reports for that player or group.
#   players      : only for a target that is a HEOS *group* (a stereo pair
#                  or an In-Room Group). List its member players, leader
#                  first. Leave it out and the panel learns the members the
#                  first time it sees the group un-merged, then remembers
#                  them in members.json -- which is what lets it rebuild the
#                  pair after you unmerge it from the AVR.
#   spotify_name : only needed if a room's Spotify Connect name differs
#                  from heos_name -- GET /api/spotify/devices?account=fifou shows what
#                  Spotify actually calls it. Defaults to heos_name.
TARGETS = {
    "avr": {
        "label": "Home Cinema",
        "heos_name": "Home Cinema",            # AVR-X3800H
    },
    "home400": {
        "label": "Lego Room",
        "heos_name": "Lego Room",              # Denon Home 400
    },
    "living_room_group": {
        "label": "Living Room",
        "heos_name": "Denon Home 200 L",       # 2x Denon Home 200, In-Room Group
        "spotify_name": "Living Room",         # what Spotify Connect calls the pair
        # "players": ["Denon Home 200 L", "Denon Home 200 R"],
    },
}

# The AVR is always the group host: its content takes over every room
# that joins, which is the whole point of the merge buttons.
HOST_KEY = "avr"

# The rooms that get a card with volume + a join/leave button, in order.
ROOM_KEYS = ["home400", "living_room_group"]

# --- Behaviour --------------------------------------------------------
# The grid the volume buttons snap to. A tap moves to the next multiple of
# this rather than adding it, so at 5 a level of 23 goes to 25, not 28.
VOLUME_STEP = 5

# Narrows the AVR's input picker to the sources you actually use, by their
# HEOS input id (see GET /api/avr/inputs for the exact strings, e.g.
# "inputs/aux_in_1"), and sets their order in the list. Empty = every
# source HEOS reports for it.
AVR_INPUT_CODES = []

# Shown as the app's name on the iOS home screen.
APP_NAME = "Heos"

# --- Spotify (optional) -------------------------------------------------
# One Spotify button per account on each speaker's card (not the AVR's),
# resuming that account's playback there -- see the README's Spotify section and
# tools/spotify_auth.py. Credentials come from .env, never from here, so
# they stay out of git. One developer app serves every account; only the
# refresh token differs, since that is what each account's login produces.
SPOTIFY_CLIENT_ID = os.environ.get("SPOTIFY_CLIENT_ID")
SPOTIFY_CLIENT_SECRET = os.environ.get("SPOTIFY_CLIENT_SECRET")

# key -> button label and that account's refresh token, in button order.
# An account without a token gets no button.
SPOTIFY_ACCOUNTS = {
    "fifou": {"label": "Fifou", "refresh_token": os.environ.get("SPOTIFY_FIFOU_REFRESH_TOKEN")},
    "clarita": {"label": "Clarita", "refresh_token": os.environ.get("SPOTIFY_CLARITA_REFRESH_TOKEN")},
}