version: 2.1
jobs:
  test-cmake:
    docker:
      - image: ubuntu:20.04
    steps:
      - checkout:
          path: /root/project/src

      - run:
          name: Install ISCE requirements
          command: |
            set -ex
            pwd
            export DEBIAN_FRONTEND=noninteractive
            apt-get update
            apt-get install -y cmake cython3 git libfftw3-dev libgdal-dev libhdf4-alt-dev libhdf5-dev libopencv-dev python3-gdal python3-h5py python3-numpy python3-scipy

      - run:
          name: Build and Install ISCE
          command: |
            set -ex
            cd /root/project/src
            mkdir build
            cd build
            MODPATH=$(python3 -c "import site; print(site.getsitepackages()[-1])")
            cmake .. -DCMAKE_INSTALL_PREFIX=install -DPYTHON_MODULE_DIR=$MODPATH
            make install VERBOSE=y

      - run:
          name: Test ISCE installation
          command: |
            set -ex
            cd /root/project/src/build
            ctest --output-on-failure
            ISCE2DIR=$(python3 -c "import os, isce2; print(os.path.dirname(isce2.__file__))" | tail -n 1)
            export PATH=$ISCE2DIR/applications:$PATH
            topsApp.py --help --steps
            stripmapApp.py --help --steps
            python3 -c "import isce"
            # Create dummy ref/secondary configs for topsApp
            ln -s ../examples/input_files/reference_TOPS_SENTINEL1.xml reference.xml
            ln -s reference.xml secondary.xml
            topsApp.py --steps --end=preprocess ../examples/input_files/topsApp.xml

  test:
    docker:
      - image: ubuntu:20.04
    steps:
      - checkout:
          path: /root/project/src 

      - run:
          name: Install ISCE requirements
          command: |
            set -ex
            pwd
            mkdir config build install
            export DEBIAN_FRONTEND=noninteractive
            apt-get update
            apt-get install -y scons cython3 git libfftw3-dev libgdal-dev libhdf4-alt-dev libhdf5-dev libmotif-dev libopencv-dev libx11-dev python3-gdal python3-h5py python3-numpy python3-scipy

      - run:
          name: Build SConfigISCE and setup dirs
          command: |
              set -ex
              pwd
              cd config
              echo "PRJ_SCONS_BUILD = /root/project/build" > SConfigISCE
              echo "PRJ_SCONS_INSTALL = /root/project/install/isce" >> SConfigISCE
              echo "LIBPATH = /usr/lib64 /usr/lib /usr/lib/x86_64-linux-gnu" >> SConfigISCE
              python_inc="/usr/include/python3.8 /usr/lib/python3/dist-packages/numpy/core/include"
              echo "CPPPATH = $python_inc /usr/include /usr/include/gdal /usr/include/opencv4" >> SConfigISCE
              echo "FORTRANPATH =  /usr/include" >> SConfigISCE
              echo "FORTRAN = /bin/gfortran" >> SConfigISCE
              echo "CC = /bin/gcc" >> SConfigISCE
              echo "CXX = /bin/g++" >> SConfigISCE
              echo "MOTIFLIBPATH = /usr/lib64" >> SConfigISCE
              echo "X11LIBPATH = /usr/lib64" >> SConfigISCE
              echo "MOTIFINCPATH = /usr/include" >> SConfigISCE
              echo "X11INCPATH = /usr/include" >> SConfigISCE
              echo "RPATH = /usr/lib64 /usr/lib" >> SConfigISCE
              cat SConfigISCE

      - run:
          name: Build and Install ISCE
          command: |
            set -ex
            pwd
            cd src
            SCONS_CONFIG_DIR=/root/project/config scons install --skipcheck

      - run:
          name: Test ISCE installation
          command: |
              set -ex
              pwd
              ISCE_HOME=/root/project/install/isce
              export PATH="$ISCE_HOME/bin:$ISCE_HOME/applications:$PATH"
              export PYTHONPATH="/root/project/install:$PYTHONPATH"
              topsApp.py --help --steps
              stripmapApp.py --help --steps
              python3 -c "import isce"
              python3 -c "import isce; from isceobj.Sensor import SENSORS as s; [s[k]() for k in s]"
  build:
    docker:
      - image: docker:stable-git
    steps:
      - checkout
      - setup_remote_docker
      - run:
          name: Install dependencies
          command: |
            apk add --no-cache \
              python3-dev py3-pip bash pigz build-base libffi-dev openssl-dev \
              docker-compose aws-cli
      - run:
          name: Build docker image
          command: |
            mkdir images
            SHA1=$(echo $CIRCLE_SHA1 | cut -c1-7)
            echo "export TAG=$SHA1" >> images/env.sh
            source images/env.sh
            docker build --rm --force-rm -t isce/isce2:$TAG -f docker/Dockerfile .
            cd images
            docker save isce/isce2:$TAG > isce2.tar
      - persist_to_workspace:
          root: images
          paths:
            - "*"
  build-release:
    docker:
      - image: docker:stable-git
    steps:
      - checkout
      - setup_remote_docker
      - run:
          name: Install dependencies
          command: |
            apk add --no-cache \
              python3-dev py3-pip bash pigz build-base libffi-dev openssl-dev \
              docker-compose aws-cli
      - run:
          name: Build docker image
          command: |
            mkdir images
            echo "export TAG=$CIRCLE_TAG" >> images/env.sh
            source images/env.sh
            docker build --rm --force-rm -t isce/isce2:$TAG -f docker/Dockerfile .
            cd images
            docker save isce/isce2:$TAG > isce2.tar
      - persist_to_workspace:
          root: images
          paths:
            - "*"
  build-periodically:
    docker:
      - image: docker:stable-git
    steps:
      - checkout
      - setup_remote_docker
      - run:
          name: Install dependencies
          command: |
            apk add --no-cache \
              python3-dev py3-pip bash pigz build-base libffi-dev openssl-dev \
              docker-compose aws-cli
      - run:
          name: Build docker image
          command: |
            mkdir images
            echo 'export TAG=$(date -u +%Y%m%d)' >> images/env.sh
            source images/env.sh
            docker build --rm --force-rm -t isce/isce2:$TAG -f docker/Dockerfile .
            cd images
            docker save isce/isce2:$TAG > isce2.tar
      - persist_to_workspace:
          root: images
          paths:
            - "*"
  deploy:
    docker:
      - image: docker:stable-git
    steps:
      - setup_remote_docker
      - run:
          name: Install dependencies
          command: |
            apk add --no-cache \
              curl file
      - attach_workspace:
          at: images
      - run:
          name: Deploy
          command: |
            cd images
            source env.sh
            docker load -i isce2.tar
            docker tag isce/isce2:$TAG isce/isce2:latest
            docker login -u $DOCKER_USER -p $DOCKER_PASS
            docker push isce/isce2:$TAG
            docker push isce/isce2:latest

workflows:
  version: 2
  test:
    jobs:
      - test
      - test-cmake
      - build
  build-deploy:
    jobs:
      - build:
          filters:
            branches:
              only: main
      - deploy:
          requires:
            - build
          filters:
            branches:
              only: main
  build-deploy-release:
    jobs:
      - build-release:
          filters:
            tags:
              only: /^v.*/
            branches:
              ignore: /.*/
      - deploy:
          requires:
            - build-release
          filters:
            tags:
              only: /^v.*/
            branches:
              ignore: /.*/
  weekly:
    triggers:
      - schedule:
          cron: "0 7 * * 0"
          filters:
            branches:
              only:
                - main
    jobs:
      - build-periodically:
          filters:
            branches:
              only: main
      - deploy:
          requires:
            - build-periodically
          filters:
            branches:
              only: main