#!/usr/bin/env bash
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd -P)"
INSTALL_ROOT="${ERP_INSTALL_ROOT:-$(cd "$SCRIPT_DIR/../.." && pwd -P)}"
CONFIG_FILE="${ERP_CONFIG_FILE:-$INSTALL_ROOT/config/erp.env}"

if [[ ! -r "$CONFIG_FILE" ]]; then
  printf '[ERP] configuration not readable: %s\n' "$CONFIG_FILE" >&2
  exit 1
fi

set -a
# The installer creates this file with shell-escaped values and mode 0640.
# shellcheck disable=SC1090
source "$CONFIG_FILE"
set +a

RUN_DIR="${ERP_RUN_DIR:-$INSTALL_ROOT/run}"
JAR_PATH="${ERP_JAR_PATH:-$INSTALL_ROOT/current/app/kaidi-erp.jar}"
JAVA_BIN="${ERP_JAVA_BIN:-}"

if [[ -z "$JAVA_BIN" ]]; then
  if [[ -n "${JAVA_HOME:-}" && -x "$JAVA_HOME/bin/java" ]]; then
    JAVA_BIN="$JAVA_HOME/bin/java"
  else
    JAVA_BIN="$(command -v java || true)"
  fi
fi

if [[ -z "$JAVA_BIN" || ! -x "$JAVA_BIN" ]]; then
  printf '[ERP] Java 17+ is not installed\n' >&2
  exit 1
fi
JAVA_MAJOR="$("$JAVA_BIN" -version 2>&1 | awk -F'[".]' '/version/ {print $2; exit}')"
if [[ ! "$JAVA_MAJOR" =~ ^[0-9]+$ || "$JAVA_MAJOR" -lt 17 ]]; then
  printf '[ERP] Java 17+ is required\n' >&2
  exit 1
fi
if [[ ! -r "$JAR_PATH" ]]; then
  printf '[ERP] application jar not readable: %s\n' "$JAR_PATH" >&2
  exit 1
fi

mkdir -p "$RUN_DIR"
printf '%s\n' "$$" > "$RUN_DIR/app.pid"

IFS=$' \t' read -r -a JAVA_OPTS <<< "${ERP_JAVA_OPTS:--Xms512m -Xmx2g}"
exec "$JAVA_BIN" "${JAVA_OPTS[@]}" \
  -jar "$JAR_PATH" \
  --spring.profiles.active=postgres \
  --server.port="${SERVER_PORT:-8091}"