#!/usr/bin/env bash
# shellcheck disable=SC2016
set -euo pipefail

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "$ROOT_DIR"

git restore -q bootstrap/cache/packages.php bootstrap/cache/services.php 2>/dev/null || true
DIRTY="$(git status --porcelain)"
DIRTY_FILTERED="$(echo "$DIRTY" | grep -vE '^( M|M ) (bootstrap/cache/(packages|services)\.php|package-lock\.json)$' || true)"
if [[ -n "$DIRTY_FILTERED" ]]; then
  echo "Working tree is dirty. Please commit or stash changes before updating."
  echo "$DIRTY_FILTERED"
  exit 1
fi
if echo "$DIRTY" | grep -qE 'package-lock\.json'; then
  echo "Warning: package-lock.json is modified. Continuing anyway."
fi

echo "Fetching latest refs..."
git fetch --prune --tags

echo "Checking out stable branch..."
git checkout stable

echo "Pulling latest stable..."
git pull --ff-only

resolve_php_bin() {
  if [[ -n "${PHP_BIN:-}" ]]; then
    echo "$PHP_BIN"
    return
  fi
  if command -v keyhelp-php84 >/dev/null 2>&1; then
    echo "keyhelp-php84"
    return
  fi
  if command -v php >/dev/null 2>&1; then
    echo "php"
    return
  fi
  echo "php"
}

resolve_configured_php_bin() {
  local configured="${1:-}"
  local current="${2:-php}"
  local trimmed="$configured"
  trimmed="${trimmed#"${trimmed%%[![:space:]]*}"}"
  trimmed="${trimmed%"${trimmed##*[![:space:]]}"}"

  if [[ -z "$trimmed" ]]; then
    echo "$current"
    return
  fi

  if [[ "$trimmed" == "keyhelp-php-domain" ]]; then
    if command -v keyhelp-php-domain >/dev/null 2>&1; then
      echo "keyhelp-php-domain"
      return
    fi
    if [[ -x "/usr/bin/keyhelp-php-domain" ]]; then
      echo "/usr/bin/keyhelp-php-domain"
      return
    fi
    if [[ -x "/usr/local/bin/keyhelp-php-domain" ]]; then
      echo "/usr/local/bin/keyhelp-php-domain"
      return
    fi
    echo "Configured PHP binary 'keyhelp-php-domain' was not found." >&2
    echo "Set ACP -> System -> CLI to a working custom binary (e.g. keyhelp-php84)." >&2
    exit 1
  fi

  if command -v "$trimmed" >/dev/null 2>&1; then
    echo "$trimmed"
    return
  fi

  if [[ "$trimmed" == */* && -x "$trimmed" ]]; then
    echo "$trimmed"
    return
  fi

  echo "Configured PHP binary '$trimmed' is not executable/resolvable." >&2
  echo "Set ACP -> System -> CLI to a valid command or absolute executable path." >&2
  exit 1
}

read_setting_php_bin() {
  if [[ ! -f artisan ]]; then
    echo ""
    return 0
  fi
  echo "Running with PHP binary: $PHP_BIN -r <read system.php_binary>" >&2
  "$PHP_BIN" -r '
require "vendor/autoload.php";
$app = require "bootstrap/app.php";
$app->make(Illuminate\Contracts\Console\Kernel::class)->bootstrap();
$value = (string) \App\Models\Setting::where("key", "system.php_binary")->value("value");
echo trim($value);
'
}

PHP_BIN="$(resolve_php_bin)"
echo "Resolved PHP binary: $PHP_BIN"
if command -v "$PHP_BIN" >/dev/null 2>&1; then
  echo "PHP version ($PHP_BIN): $($PHP_BIN -v | head -n 1)"
else
  echo "PHP binary '$PHP_BIN' not found in PATH."
fi

echo "Installing PHP dependencies..."
COMPOSER_BIN="$(command -v composer || true)"
if [[ -z "$COMPOSER_BIN" ]]; then
  echo "Composer not found in PATH."
  exit 1
fi
echo "Running with PHP binary: $PHP_BIN $COMPOSER_BIN install --no-dev --optimize-autoloader"
"$PHP_BIN" "$COMPOSER_BIN" install --no-dev --optimize-autoloader

if ! CONFIGURED_PHP="$(read_setting_php_bin)"; then
  echo "Failed to read configured PHP binary from settings." >&2
  echo "Aborting to avoid running update with the wrong PHP binary." >&2
  exit 1
fi
echo "Configured PHP binary from settings: ${CONFIGURED_PHP:-<empty>}"
PHP_BIN="$(resolve_configured_php_bin "$CONFIGURED_PHP" "$PHP_BIN")"

echo "Final PHP binary: $PHP_BIN"
if command -v "$PHP_BIN" >/dev/null 2>&1; then
  echo "Final PHP version ($PHP_BIN): $($PHP_BIN -v | head -n 1)"
fi

echo "Installing JS dependencies..."
npm install

echo "Building assets..."
npm run build

echo "Running migrations..."
echo "Running with PHP binary: $PHP_BIN artisan migrate --force"
"$PHP_BIN" artisan migrate --force

echo "Syncing version/build to settings..."
echo "Running with PHP binary: $PHP_BIN -r <read composer.json version>"
VERSION="$("$PHP_BIN" -r '$c=json_decode(file_get_contents("composer.json"), true); echo $c["version"] ?? "";')"
echo "Running with PHP binary: $PHP_BIN -r <read composer.json build>"
BUILD="$("$PHP_BIN" -r '$c=json_decode(file_get_contents("composer.json"), true); echo $c["build"] ?? "";')"
echo "Computed from composer.json: VERSION=$VERSION, BUILD=$BUILD"

if [[ -n "$VERSION" || -n "$BUILD" ]]; then
  echo "Updating settings version/build (VERSION=$VERSION, BUILD=$BUILD)..."
  echo "Running with PHP binary: $PHP_BIN -r <write settings version/build>"
  SPEEDBB_VERSION="$VERSION" SPEEDBB_BUILD="$BUILD" "$PHP_BIN" -r '
  require "vendor/autoload.php";
  $app = require "bootstrap/app.php";
  $app->make(Illuminate\Contracts\Console\Kernel::class)->bootstrap();
  $version = getenv("SPEEDBB_VERSION");
  $build = getenv("SPEEDBB_BUILD");
  if ($version !== false && $version !== "") {
      \Illuminate\Support\Facades\DB::table("settings")->upsert(
          [[
              "key" => "version",
              "value" => $version,
              "created_at" => now(),
              "updated_at" => now(),
          ]],
          ["key"],
          ["value", "updated_at"]
      );
      echo "Upserted version setting.\n";
  }
  if ($build !== false && $build !== "") {
      \Illuminate\Support\Facades\DB::table("settings")->upsert(
          [[
              "key" => "build",
              "value" => $build,
              "created_at" => now(),
              "updated_at" => now(),
          ]],
          ["key"],
          ["value", "updated_at"]
      );
      echo "Upserted build setting.\n";
  }
  ' \
  && echo "Running with PHP binary: $PHP_BIN -r <verify settings version/build>" \
  && "$PHP_BIN" -r '
  require "vendor/autoload.php";
  $app = require "bootstrap/app.php";
  $app->make(Illuminate\Contracts\Console\Kernel::class)->bootstrap();
  $version = \App\Models\Setting::where("key", "version")->value("value");
  $build = \App\Models\Setting::where("key", "build")->value("value");
  echo "Settings now: version={$version}, build={$build}\n";
  '
fi

echo "Update complete."