server {
    listen 80;
    server_name _;

    client_max_body_size 50M;

    # ===== 포털/SSO 페이지 =====
    root /usr/share/nginx/html;

    location = / {
        try_files /portal.html =404;
    }

    location = /login {
        try_files /login.html =404;
    }

    # 공유 JS/CSS
    location /shared/ {
        alias /usr/share/nginx/html/shared/;
    }

    # ===== SSO Auth API =====
    location /auth/ {
        proxy_pass http://sso-auth:3000/api/auth/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    # ===== System 1: 공장관리 =====
    location /factory/ {
        proxy_pass http://system1-web:80/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    location /factory/api/ {
        proxy_pass http://system1-api:3005/api/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    location /factory/fastapi/ {
        proxy_pass http://system1-fastapi:8000/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    # ===== System 2: 신고 =====
    location /report/ {
        proxy_pass http://system2-web:80/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    location /report/api/ {
        proxy_pass http://system2-api:3005/api/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    # ===== System 3: 부적합관리 =====
    location /nc/ {
        proxy_pass http://system3-web:80/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    location /nc/api/ {
        proxy_pass http://system3-api:8000/api/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    # ===== Health Check =====
    location /health {
        return 200 '{"status":"ok","service":"gateway"}';
        add_header Content-Type application/json;
    }
}