version: 2
jobs:
    test-backend:
        docker:
            - image: circleci/node:14
            - image: circleci/mariadb:latest
              environment:
                  MYSQL_ALLOW_EMPTY_PASSWORD: "true"
                  MYSQL_DATABASE: photos_test
                  MYSQL_USER: photos
                  MYSQL_PASSWORD: photos
                  MYSQL_HOST: "localhost"

        working_directory: ~/photos

        steps:
            - checkout

            - restore_cache:
                  keys:
                      - backend-dependencies-{{ checksum "package.json" }}

            - run:
                  name: install backend deps
                  command: npm i

            - save_cache:
                  paths:
                      - node_modules
                  key: backend-dependencies-{{ checksum "package.json" }}

            - run:
                  name: test backend
                  command: npm test

    test-frontend:
        docker:
            - image: circleci/node:14

        working_directory: ~/photos/frontend

        steps:
            - checkout:

            - restore_cache:
                  keys:
                      - backend-dependencies-{{ checksum "package.json" }}

            - run:
                  name: install backend deps
                  command: npm i

            - save_cache:
                  paths:
                      - node_modules
                  key: backend-dependencies-{{ checksum "package.json" }}

            - restore_cache:
                  keys:
                      - frontend-dependencies-{{ checksum "package.json" }}

            - run:
                  name: install frontend deps
                  command: cd frontend && npm i

            - save_cache:
                  paths:
                      - frontend/node_modules
                  key: frontend-dependencies-{{ checksum "package.json" }}

            - run:
                  name: test frontend
                  command: cd frontend && npm test

    test-frontend-build:
        docker:
            - image: circleci/node:14

        working_directory: ~/photos/frontend

        steps:
            - checkout:

            - restore_cache:
                  keys:
                      - backend-dependencies-{{ checksum "package.json" }}

            - run:
                  name: install backend deps
                  command: npm i

            - save_cache:
                  paths:
                      - node_modules
                  key: backend-dependencies-{{ checksum "package.json" }}

            - restore_cache:
                  keys:
                      - frontend-dependencies-{{ checksum "package.json" }}

            - run:
                  name: install frontend deps
                  command: cd frontend && npm i

            - save_cache:
                  paths:
                      - frontend/node_modules
                  key: frontend-dependencies-{{ checksum "package.json" }}

            - run:
                  name: build frontend
                  command: cd frontend && npm run build

    build:
        machine:
            image: ubuntu-2004:202107-01
        working_directory: ~/photos

        steps:
            - checkout
            - run:
                  name: log in to docker hub
                  command: echo "$DOCKER_PASSWORD" | docker login --username $DOCKER_USERNAME --password-stdin

            - run:
                  name: install emulators
                  command: docker run --privileged --rm tonistiigi/binfmt --install all

            - run:
                  name: create docker builder
                  command: docker buildx create --use

            - run:
                  name: build and push to docker hub
                  #command: docker buildx build --push --platform linux/arm/v7,linux/arm64/v8,linux/amd64 --tag stepanusatiuk/photos:latest .
                  command: docker buildx build --push --platform linux/amd64 --tag stepanusatiuk/photos:latest .

workflows:
    version: 2
    test-build:
        jobs:
            - test-backend
            - test-frontend
            - test-frontend-build:
                  requires:
                      - test-frontend
            - build:
                  requires:
                      - test-backend
                      - test-frontend
                      - test-frontend-build