# Custom nginx configuration for OpenCCB Studio
# This overrides the default location block to route API requests correctly

# Allow large ZIP uploads (RAG bulk import can exceed 2GB).
client_max_body_size 4096m;
client_body_timeout 1800s;

# API routes that need to go to port 3001
# Prefer the explicit `/cms-api/*` prefix for frontend fetches. This avoids collisions
# with Next.js pages like `/courses` and `/admin` that share the same host.
location /cms-api/ {
    rewrite ^/cms-api/(.*)$ /$1 break;
    proxy_pass http://openccb-studio:3001;
    proxy_request_buffering off;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
    proxy_connect_timeout 120s;
    proxy_send_timeout 3600s;
    proxy_read_timeout 3600s;
    send_timeout 3600s;
}

location /lms-api/ {
    rewrite ^/lms-api/(.*)$ /$1 break;
    proxy_pass http://openccb-experience:3002;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

# Auth pages like GET /auth/login and GET /auth/register must be served by Next.js (3000),
# while the auth API endpoints (POST /auth/login, POST /auth/register, /auth/me, /auth/sso/*)
# must continue to go to the CMS backend (3001).
location @studio_frontend_auth {
    proxy_pass http://openccb-studio:3000;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location = /auth/login {
    error_page 418 = @studio_frontend_auth;
    if ($request_method != POST) {
        return 418;
    }

    proxy_pass http://openccb-studio:3001;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location = /auth/register {
    error_page 418 = @studio_frontend_auth;
    if ($request_method != POST) {
        return 418;
    }

    proxy_pass http://openccb-studio:3001;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location = /auth/callback {
    proxy_pass http://openccb-studio:3000;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location = /auth/me {
    proxy_pass http://openccb-studio:3001;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location /auth/sso/ {
    proxy_pass http://openccb-studio:3001;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location /auth/ {
    proxy_pass http://openccb-studio:3001;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location = /organization {
    proxy_pass http://openccb-studio:3001;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location /organization/ {
    proxy_pass http://openccb-studio:3001;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location = /branding {
    proxy_pass http://openccb-studio:3001;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

# `GET /courses` is ambiguous: the dashboard API uses it for JSON, but the Studio frontend
# also uses `/courses` as a page route and for RSC/prefetch requests.
# Route page/navigation-style requests to Next.js (3000), and keep API fetches on the CMS backend (3001).
location = /courses {
    error_page 418 = @studio_frontend_auth;
    if ($http_accept ~* "text/html|text/x-component") {
        return 418;
    }
    if ($http_rsc != "") {
        return 418;
    }
    if ($http_next_router_state_tree != "") {
        return 418;
    }

    proxy_pass http://openccb-studio:3001;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location = /courses/ {
    proxy_pass http://openccb-studio:3000;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location /courses/ {
    proxy_pass http://openccb-studio:3000;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location /modules/ {
    proxy_pass http://openccb-studio:3001;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location /lessons/ {
    proxy_pass http://openccb-studio:3001;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location /assets/ {
    proxy_pass http://openccb-studio:3001;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location /users/ {
    proxy_pass http://openccb-studio:3001;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location /grading/ {
    proxy_pass http://openccb-studio:3001;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location = /question-bank {
    proxy_pass http://openccb-studio:3000;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location = /question-bank/ {
    proxy_pass http://openccb-studio:3000/question-bank;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location /question-bank/ {
    proxy_pass http://openccb-studio:3000;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location = /admin {
    proxy_pass http://openccb-studio:3000;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location = /admin/ {
    proxy_pass http://openccb-studio:3000;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location = /admin/organizations {
    return 302 /admin;
}

location = /admin/organizations/ {
    return 302 /admin;
}

location /admin/ {
    proxy_pass http://openccb-studio:3000;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}

location /api/ {
    proxy_pass http://openccb-studio:3001;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
    proxy_set_header Connection "";
    proxy_http_version 1.1;
}