#!/bin/bash
set -eu

DATA_ROOT="${TRIM_PKGVAR:-}"
ENABLED="${wizard_direct_access:-false}"
PORT="${wizard_direct_port:-8765}"
unset wizard_direct_access wizard_direct_port

fail() {
    MESSAGE="$1"
    printf '%s\n' "$MESSAGE" >&2
    if [ -n "${TRIM_TEMP_LOGFILE:-}" ]; then
        printf '%s\n' "$MESSAGE" >>"$TRIM_TEMP_LOGFILE" 2>/dev/null || true
    fi
    exit 1
}

[ -n "$DATA_ROOT" ] || fail "ImageFind 配置失败：fnOS 未提供应用数据目录。"
case "$ENABLED" in
    true|false) ;;
    *) fail "ImageFind 配置失败：直接访问开关无效。" ;;
esac
case "$PORT" in
    ''|*[!0-9]*) fail "ImageFind 配置失败：端口必须是数字。" ;;
esac
[ "$PORT" -ge 1 ] && [ "$PORT" -le 65535 ] || fail "ImageFind 配置失败：端口必须在 1–65535 之间。"

mkdir -p "$DATA_ROOT"
ACCESS_TEMP="$DATA_ROOT/access.json.tmp.$$"
trap 'rm -f "$ACCESS_TEMP"' EXIT
printf '{"direct_access":{"enabled":%s,"port":%s}}\n' "$ENABLED" "$PORT" >"$ACCESS_TEMP"
chmod 0600 "$ACCESS_TEMP"
mv "$ACCESS_TEMP" "$DATA_ROOT/access.json"
trap - EXIT