# server {

#     server_name _;
#     server_tokens off;

#     #large_client_header_buffers 4 32k;
#     client_max_body_size 50M;

#     charset utf-8;

#     index index.html;


#     # 启动SSL及证书匹配 ######################################################
#     listen 443 ssl default_server; # managed by Certbot
    
#     # ssl_certificate /etc/letsencrypt/live/edutextbook/fullchain.pem; # managed by Certbot
#     # ssl_certificate_key /etc/letsencrypt/live/edutextbook/privkey.pem; # managed by Certbot

#     # include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
#     # ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot

# 	# 启用OCSP stapling ######################################################
# 	ssl_stapling on;
# 	ssl_stapling_verify on;
# 	# valid表示缓存5分钟
# 	resolver 8.8.8.8 8.8.4.4 valid=300s;
# 	# 网络超时时间
# 	resolver_timeout 5s;

# 	# 启动Gzip Json模式 ######################################################
# 	gzip_http_version 1.0;  # gzip支持http协议 proxy 必须用
#     gzip  on;
# 	gzip_vary on;
# 	gzip_proxied       any;
# 	gzip_static on;
# 	gzip_comp_level  4;
# 	gzip_min_length 256;
#     gzip_buffers     4 8k;
#     gzip_types       text/html text/plain application/javascript application/x-javascript text/css application/xml application/json;

#     location /api {
#         if ($request_method = 'OPTIONS') {
#             add_header 'Access-Control-Allow-Origin' '*';
#             add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
#             #
#             # Custom headers and headers various browsers *should* be OK with but aren't
#             #
#             add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range';
#             #
#             # Tell client that this pre-flight info is valid for 20 days
#             #
#             add_header 'Access-Control-Max-Age' 1728000;
#             add_header 'Content-Type' 'text/plain; charset=utf-8';
#             add_header 'Content-Length' 0;
#             return 204;
#         }
#         if ($request_method = 'POST') {
#             add_header 'Access-Control-Allow-Origin' '*' always;
#             add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS' always;
#             add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range,Access-Control-Allow-Origin' always;
#             add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range' always;
#         }
#         if ($request_method = 'GET') {
#             add_header 'Access-Control-Allow-Origin' '*' always;
#             add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS' always;
#             add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range,Access-Control-Allow-Origin' always;
#             add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range' always;
#         }

#         rewrite ^/(.*)$ /$1 break;
#         proxy_pass http://127.0.0.1:61337/api;
#     }

#     location /parse {
#         if ($request_method = 'OPTIONS') {
#             add_header 'Access-Control-Allow-Origin' '*';
#             add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
#             #
#             # Custom headers and headers various browsers *should* be OK with but aren't
#             #
#             add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range';
#             #
#             # Tell client that this pre-flight info is valid for 20 days
#             #
#             add_header 'Access-Control-Max-Age' 1728000;
#             add_header 'Content-Type' 'text/plain; charset=utf-8';
#             add_header 'Content-Length' 0;
#             return 204;
#         }
#         if ($request_method = 'POST') {
#             add_header 'Access-Control-Allow-Origin' '*' always;
#             add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS' always;
#             add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range,Access-Control-Allow-Origin' always;
#             add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range' always;
#         }
#         if ($request_method = 'GET') {
#             add_header 'Access-Control-Allow-Origin' '*' always;
#             add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS' always;
#             add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range,Access-Control-Allow-Origin' always;
#             add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range' always;
#         }

#         rewrite ^/(.*)$ /$1 break;
#         proxy_pass http://127.0.0.1:61337/parse;
#     }

#     location /{
#         proxy_set_header Host $http_host;
#         proxy_set_header X-Real-IP $remote_addr;
#         proxy_set_header X-Scheme $scheme;
#         proxy_set_header X-Forwarded-Proto $scheme;
#         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
#         proxy_pass http://127.0.0.1:61337/;
#         proxy_redirect off;
#     }

# }


server {
    listen 80 default_server;
    server_name _;

    # 启动Gzip Json模式 ######################################################
	gzip_http_version 1.0;  # gzip支持http协议 proxy 必须用
    gzip  on;
	gzip_vary on;
	gzip_proxied       any;
	gzip_static on;
	gzip_comp_level  4;
	gzip_min_length 256;
    gzip_buffers     4 8k;
    gzip_types       text/html text/plain application/javascript application/x-javascript text/css application/xml application/json;
    
    location /api {
        if ($request_method = 'OPTIONS') {
            add_header 'Access-Control-Allow-Origin' '*';
            add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
            #
            # Custom headers and headers various browsers *should* be OK with but aren't
            #
            add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range';
            #
            # Tell client that this pre-flight info is valid for 20 days
            #
            add_header 'Access-Control-Max-Age' 1728000;
            add_header 'Content-Type' 'text/plain; charset=utf-8';
            add_header 'Content-Length' 0;
            return 204;
        }
        if ($request_method = 'POST') {
            add_header 'Access-Control-Allow-Origin' '*' always;
            add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS' always;
            add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range,Access-Control-Allow-Origin' always;
            add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range' always;
        }
        if ($request_method = 'GET') {
            add_header 'Access-Control-Allow-Origin' '*' always;
            add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS' always;
            add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range,Access-Control-Allow-Origin' always;
            add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range' always;
        }

        rewrite ^/(.*)$ /$1 break;
        proxy_pass http://127.0.0.1:61337/api;
    }

    location /parse/{
        proxy_set_header Host $http_host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Scheme $scheme;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_pass http://127.0.0.1:61337/parse/;
        proxy_redirect off;
    }

    root /var/www/edu-textbook/;
    location /{
        try_files $uri $uri/ /index.html?$query_string;
    }

}