#!/bin/bash
# The comment above is shebang, DO NOT REMOVE
DEV_ABSPATH="$(readlink -f "${BASH_SOURCE[0]}")"
BACKEND_DIR_ABSPATH="$(dirname "$DEV_ABSPATH")"
PROJECT_ROOT_ABSPATH="$(dirname "$BACKEND_DIR_ABSPATH")"

# shellcheck source=../run/utils/platform.sh
source "$PROJECT_ROOT_ABSPATH/run/utils/platform.sh"
ensure_lf "$DEV_ABSPATH"
chmod +x "$DEV_ABSPATH"

UV_BIN="$BACKEND_DIR_ABSPATH/uv-bin/uv${EXE_EXT}"

cleanup() {
    echo "Shutting down..."
    cd - > /dev/null 2>&1
}
trap cleanup EXIT INT TERM

if [[ ! -f "$UV_BIN" ]]; then
    echo "ERROR: Bundled uv not found at $UV_BIN"
    echo "Run 'bash run/local.sh' to download it automatically."
    exit 1
fi

# --- Install/sync dependencies ---
echo "Installing dependencies..."
"$UV_BIN" sync --project "$BACKEND_DIR_ABSPATH"
if [[ $? -ne 0 ]]; then
    echo "Failed to install Python dependencies."
    exit 1
fi

# --- Read dev port from ports.config.json (path via argv so MSYS converts it) ---
BACKEND_PORT=$("$PY" -c "import json,sys; print(json.load(open(sys.argv[1], encoding='utf-8'))['backend']['dev'])" "$PROJECT_ROOT_ABSPATH/ports.config.json")

# --- Start the backend server ---
echo "Starting backend server on http://0.0.0.0:${BACKEND_PORT} ..."
cd "$PROJECT_ROOT_ABSPATH"
WATCHFILES_FORCE_POLLING=true "$UV_BIN" run --project "$BACKEND_DIR_ABSPATH" python -m uvicorn backend.main:app \
    --host 0.0.0.0 --port "$BACKEND_PORT" --reload \
    --reload-dir "$BACKEND_DIR_ABSPATH" \
    --reload-exclude '*.pyc'