# Settings adapted from
# https://github.com/mempool/mempool/blob/v3.2.1/production/nginx/server-common.conf

# see order of nginx location rules
# https://stackoverflow.com/questions/5238377/nginx-location-priority

# for exact / requests, redirect based on $lang
# cache redirect for 5 minutes
location = / {
	if ($lang != '') {
		return 302 $scheme://$host/$lang/;
	}
	try_files /en-US/index.html =404;
	expires 5m;
}

# cache /<lang>/main.f40e91d908a068a2.js forever since they never change
location ~ ^/([a-z][a-z])/(.+\..+\.(js|css))$ {
	try_files $uri =404;
	expires 1y;
}
# cache everything else for 5 minutes
location ~ ^/([a-z][a-z])$ {
	try_files $uri /$1/index.html /en-US/index.html =404;
	expires 5m;
}
location ~ ^/([a-z][a-z])/ {
	try_files $uri /$1/index.html /en-US/index.html =404;
	expires 5m;
}

# cache /resources/** for 1 week since they don't change often
location /resources {
	try_files $uri /en-US/index.html;
	expires 1w;
}
# cache /main.f40e91d908a068a2.js forever since they never change
location ~* ^/.+\..+\.(js|css)$ {
	try_files /$lang/$uri /en-US/$uri =404;
	expires 1y;
}
# catch-all for all URLs i.e. /address/foo /tx/foo /block/000
# cache 5 minutes since they change frequently
location / {
	try_files /$lang/$uri $uri /en-US/$uri /en-US/index.html =404;
	expires 5m;
}