#!/usr/bin/env bash
# ============================================================
# WBX Spring Core — Linux/macOS 설치 스크립트
# 사용법: chmod +x scripts/install.sh && ./scripts/install.sh
# ============================================================
set -euo pipefail

# ---------- 색상 ----------
RED='\033[0;31m'; GREEN='\033[0;32m'; YELLOW='\033[1;33m'; CYAN='\033[0;36m'; NC='\033[0m'
ok()   { echo -e "  ${GREEN}[OK]${NC} $1"; }
warn() { echo -e "  ${YELLOW}[WARN]${NC} $1"; }
fail() { echo -e "  ${RED}[FAIL]${NC} $1"; }
info() { echo -e "  ${CYAN}[INFO]${NC} $1"; }

ERRORS=0

echo ""
echo "=========================================="
echo " WBX Spring Core — 설치 점검"
echo "=========================================="
echo ""

# ---------- 1. JDK 21 ----------
echo "1. JDK 확인"
if command -v java &>/dev/null; then
    JAVA_VER=$(java -version 2>&1 | head -1 | awk -F '"' '{print $2}' | cut -d. -f1)
    if [ "$JAVA_VER" -ge 21 ] 2>/dev/null; then
        ok "JDK $JAVA_VER"
    else
        fail "JDK $JAVA_VER (21 이상 필요)"
        ERRORS=$((ERRORS + 1))
    fi
else
    fail "java 명령어 없음 — JDK 21 설치 필요"
    ERRORS=$((ERRORS + 1))
fi

# ---------- 2. Git ----------
echo "2. Git 확인"
if command -v git &>/dev/null; then
    ok "$(git --version)"
else
    fail "git 없음"
    ERRORS=$((ERRORS + 1))
fi

# ---------- 3. Docker (선택) ----------
echo "3. Docker 확인 (선택)"
if command -v docker &>/dev/null; then
    ok "$(docker --version | head -1)"
else
    warn "Docker 미설치 — DB/Redis를 직접 설치해야 합니다"
fi

# ---------- 4. 빌드 ----------
echo "4. Gradle 빌드"
if [ $ERRORS -gt 0 ]; then
    fail "사전 요구사항 미충족 — 빌드 건너뜀"
else
    chmod +x gradlew
    if ./gradlew build -x test --console=plain -q; then
        ok "BUILD SUCCESSFUL"
    else
        fail "빌드 실패"
        ERRORS=$((ERRORS + 1))
    fi
fi

# ---------- 5. .env 템플릿 ----------
echo "5. 환경변수 파일"
if [ ! -f .env ]; then
    cat > .env << 'ENVEOF'
# ===== WBX Spring Core — 환경변수 =====
# 이 파일을 환경에 맞게 수정하세요.

# --- 프로필 ---
SPRING_PROFILES_ACTIVE=prod,mysql

# --- 서버 ---
SERVER_CONTEXT_PATH=/

# --- JWT (필수 변경!) ---
JWT_SECRET=your-production-secret-key-minimum-256-bits-long

# --- DB ---
DB_HOST=localhost
DB_PORT=3306
DB_NAME=wbx_spring
DB_USER=wbxapp
DB_PASS=StrongP@ss

# --- Redis ---
SPRING_DATA_REDIS_HOST=localhost

# --- CORS ---
CORS_ORIGINS=https://app.company.com

# --- 로그 경로 ---
LOG_PATH=/opt/wbx-app/logs/app.log

# --- Azure SSO (azure 프로필 사용 시) ---
# AZURE_CLIENT_ID=
# AZURE_CLIENT_SECRET=
# AZURE_TENANT_ID=

# --- Azure Blob Storage ---
# AZURE_STORAGE_ACCOUNT=
# AZURE_STORAGE_KEY=
# AZURE_CONTAINER=uploads

# --- AWS Cognito (aws 프로필 사용 시) ---
# AWS_COGNITO_CLIENT_ID=
# AWS_COGNITO_CLIENT_SECRET=
# AWS_USER_POOL_ID=
# AWS_REGION=ap-northeast-2

# --- AWS S3 ---
# AWS_S3_BUCKET=
# AWS_ACCESS_KEY=
# AWS_SECRET_KEY=
ENVEOF
    chmod 600 .env
    ok ".env 생성 완료 (값을 수정하세요)"
else
    warn ".env 이미 존재 — 건너뜀"
fi

# ---------- 6. 디렉토리 ----------
echo "6. 디렉토리 생성"
mkdir -p logs uploads backup
ok "logs/ uploads/ backup/"

# ---------- 결과 ----------
echo ""
echo "=========================================="
if [ $ERRORS -eq 0 ]; then
    echo -e " ${GREEN}설치 점검 완료${NC}"
    echo ""
    echo " 다음 단계:"
    echo "   1. .env 파일을 환경에 맞게 수정"
    echo "   2. DB 생성 (또는 docker compose -f docker-compose-dev.yml up -d)"
    echo "   3. ./gradlew bootRun"
    echo "   4. http://localhost:8080/health 확인"
else
    echo -e " ${RED}오류 ${ERRORS}건 — 위의 [FAIL] 항목을 해결하세요${NC}"
fi
echo "=========================================="
echo ""