events {
    worker_connections 1024;
}

http {
    # Browser preferred language detection (does NOT require AcceptLanguageModule)
    map $http_accept_language $accept_language {
        ~*^fr fr;
        ~*^en en;
    }

    types {
      module js;
    }

    include /etc/nginx/mime.types;

    server {
        listen 80;
        server_name codiki.org;
        root /usr/share/nginx/html;

        # Fallback to default language if no preference defined by browser 
        if ($accept_language ~ "^$") {
            set $accept_language "fr";
        }

        location ~ ^/$ {
            # Redirect "/" to Angular app in browser's preferred language
            rewrite ^/$ /$accept_language permanent;
            proxy_set_header Host $host:$server_port;
            proxy_set_header X-Forwarded-Host $server_name;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }

        # Everything under the Angular app is always redirected to Angular in the correct language
        location ~ ^/fr/ {
            alias /usr/share/nginx/html/fr/;
            try_files $uri /fr/index.html?$args;
            proxy_set_header Host $host:$server_port;
            proxy_set_header X-Forwarded-Host $server_name;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }

        location ~ ^/en/ {
            alias /usr/share/nginx/html/en/;
            try_files $uri /en/index.html?$args;
            proxy_set_header Host $host:$server_port;
            proxy_set_header X-Forwarded-Host $server_name;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }

        location ~ ^/api {
            proxy_pass http://192.168.0.153:50011;
            proxy_set_header Host $host:$server_port;
            proxy_set_header X-Forwarded-Host $server_name;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }
    }
}