events {}

http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;
    upstream backend5000 { server server1:5000; }
    upstream backend5001 { server server2:5001; }
    upstream backend5002 { server server3:5002; }

    server {
        listen 80;
        listen [::]:80;
        server_name dev1.aptivaai.com;
        return 301 https://$host$request_uri;
    }

    server {
        listen 443 ssl;
        server_name dev1.aptivaai.com;
        root /usr/share/nginx/html;
	index index.html;

        ssl_certificate     /etc/letsencrypt/live/dev1.aptivaai.com/fullchain.pem;
        ssl_certificate_key /etc/letsencrypt/live/dev1.aptivaai.com/privkey.pem;
        ssl_protocols       TLSv1.2 TLSv1.3;

        # ---- server1 (port 5000) ----
        location /api/register         { proxy_pass http://server1:5000/api/register; }
        location /api/check-username   { proxy_pass http://server1:5000/api/check-username; }
        location /api/signin           { proxy_pass http://server1:5000/api/signin; }
        location /api/login            { proxy_pass http://server1:5000/api/login; }
        location /api/user-profile     { proxy_pass http://server1:5000/api/user-profile; }
        location /api/areas            { proxy_pass http://server1:5000/api/areas; }
        location /api/activate-premium { proxy_pass http://server1:5000/api/activate-premium; }

        # ---- server2 (port 5001) ----
        location /api/onet/                     { proxy_pass http://server2:5001; }
        location /api/onet/career-description/  { proxy_pass http://server2:5001; }
        location /api/job-zones                 { proxy_pass http://server2:5001/api/job-zones; }
        location /api/salary                    { proxy_pass http://server2:5001/api/salary; }
        location /api/cip/                      { proxy_pass http://server2:5001/api/cip/; }
        location /api/tuition/                  { proxy_pass http://server2:5001/api/tuition/; }
        location /api/projections/              { proxy_pass http://server2:5001/api/projections/; }
        location /api/skills/                   { proxy_pass http://server2:5001/api/skills/; }
        location = /api/ai-risk                 { proxy_pass http://server2:5001/api/ai-risk; }
        location /api/ai-risk/                  { proxy_pass http://server2:5001/api/ai-risk/; }
        location /api/chat/ {
            proxy_pass http://server2:5001;
            proxy_http_version 1.1;
            proxy_buffering off;
        }
        location ^~ /api/maps/distance          { proxy_pass http://server2:5001; }
        location /api/schools                   { proxy_pass http://server2:5001/api/schools; }

        # ---- server3 (port 5002) ----
        location ^~ /api/premium/               { proxy_pass http://server3:5002; }
        location /api/public/                   { proxy_pass http://server3:5002/api/public/; }

        # ---- static React build ----
        location / {
        index  index.html;
        try_files $uri $uri/ /index.html;
        }
        location ~* \.(?:ico|css|js|gif|jpe?g|png|woff2?|eot|ttf|svg)$ {
            expires 6M;
            access_log off;
        }

        error_page 502 503 504 /50x.html;
        location = /50x.html { root /usr/share/nginx/html; }
    }
}