ci.yml

name: CI

on:
  pull_request:
    branches: ["**"]
  push:
    branches: [main]

jobs:
  # ─────────────────────────────────────────────
  # BACKEND — (NestJS)
  # ─────────────────────────────────────────────
  backend:
    name: Backend (NestJS)
    runs-on: ubuntu-latest

    defaults:
      run:
        working-directory: backend

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "20"
          cache: "npm"
          cache-dependency-path: backend/package-lock.json

      - name: Install dependencies
        run: npm ci

      - name: Lint
        run: npm run lint

      - name: Build (TypeScript check)
        run: npm run build

      - name: Unit tests
        run: npm run test -- --passWithNoTests

  # ─────────────────────────────────────────────
  # FRONTEND — Next.js
  # ─────────────────────────────────────────────
  frontend:
    name: Frontend (Next.js)
    runs-on: ubuntu-latest

    defaults:
      run:
        working-directory: frontend

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "20"
          cache: "npm"
          cache-dependency-path: frontend/package-lock.json

      - name: Install dependencies
        run: npm ci

      - name: Lint
        run: npm run lint

      - name: Build
        run: npm run build
        env:
          NEXT_PUBLIC_API_URL: http://localhost:3001

      - name: Unit tests
        run: npm run test -- --passWithNoTests

  # ─────────────────────────────────────────────
  # SMART CONTRACTS — Rust / Cargo
  # ─────────────────────────────────────────────
  contracts:
    name: Contracts (Rust)
    runs-on: ubuntu-latest

    defaults:
      run:
        working-directory: contract

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt, clippy

      - name: Cache Cargo registry
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            contract/target
          key: ${{ runner.os }}-cargo-${{ hashFiles('contract/Cargo.lock') }}
          restore-keys: ${{ runner.os }}-cargo-

      - name: Check formatting
        run: cargo fmt --all -- --check

      - name: Clippy (lint)
        run: cargo clippy --all-targets --all-features -- -D warnings

      - name: Build
        run: cargo build --all

      - name: Tests
        run: cargo test --all
        # ─────────────────────────────────────────────
  # BACKEND E2E — NestJS + Postgres + Redis
  # ─────────────────────────────────────────────
  backend-e2e:
    name: Backend E2E (NestJS)
    runs-on: ubuntu-latest
    # Only run on PRs targeting main — e2e is too slow for every branch push
    if: github.event_name == 'pull_request' && github.base_ref == 'main'
    defaults:
      run:
        working-directory: backend

    services:
      postgres:
        image: postgres:16
        env:
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: postgres
          POSTGRES_DB: smalda_test
        ports:
          - 5432:5432
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5

      redis:
        image: redis:7
        ports:
          - 6379:6379
        options: >-
          --health-cmd "redis-cli ping"
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5

    env:
      NODE_ENV: test
      DATABASE_HOST: localhost
      DATABASE_PORT: 5432
      DATABASE_USER: postgres
      DATABASE_PASSWORD: postgres
      DATABASE_NAME: smalda_test
      REDIS_HOST: localhost
      REDIS_PORT: 6379
      STELLAR_NETWORK: testnet
      STELLAR_HORIZON_URL: https://horizon-testnet.stellar.org
      JWT_SECRET: ci-test-secret-32-chars-minimum-ok

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "20"
          cache: "npm"
          cache-dependency-path: backend/package-lock.json

      - name: Install dependencies
        run: npm ci

      - name: Run migrations
        run: npm run migration:run

      - name: E2E tests
        run: npm run test:e2e -- --passWithNoTests