worker_processes  1;
error_log logs/error.log;

events {
    worker_connections 1024;
}

http {
    init_by_lua_block {
        require "routes"
    }

    server {
        listen 8080;

        include mime.types;
        charset utf-8;

        location = /posts {
            # rewrite ^ /posts/ last; # loads "/posts/"
            # rewrite ^ /posts/ break; # loads "/posts/index.html"
            rewrite_by_lua_block {
                local flag = { ["break"] = false };
                -- equivalent to `rewrite ^ /posts/ break;`
                ngx.req.set_uri("/posts/", flag["break"])
            }
        }

        location = /posts/ {
            content_by_lua_block {
                return ngx.redirect("/posts", ngx.HTTP_MOVED_PERMANENTLY)
            }
        }

        location /posts/ {
            rewrite_by_lua_block {
                local uri = ngx.re.sub(ngx.var.uri, "^/posts/(.*)", "$1", "o")
                -- ngx.req.set_uri(uri)
                local ext = string.match(uri, "[%w%-%_]+$")

                ngx.say("request path " .. uri)

                if ext == uri then
                    ngx.say("no extension")
                else
                    ngx.say("extension " .. ext)
                end

                ngx.say(ngx.var.uri)
            }

            # rewrite ^ /posts/2023-08-03-recursively-list-all-files-in-a-directory-with-elixir.html break;
        }

        location /css {
            expires 1h;
            alias css;
        }

        location /blah {
            rewrite ^/posts$ /posts/2023-08-03-recursively-list-all-files-in-a-directory-with-elixir.html break;
        }
    }
}