- name: Clone BlockScout
  git:
    repo: "{{ blockscout_repo }}"
    dest: "blockscout-{{ group_names[0] }}-{{ chain }}"
    version: "{{ branch }}"
    force: true
  when: skip_fetch | bool != true

- name: Git clean
  command: "git clean -fdx"
  args:
    chdir: "blockscout-{{ group_names[0] }}-{{ chain }}"
  when: skip_fetch | bool != true

- name: Merge branches
  command: "git merge {{ merge_commit_item }}" 
  args:
    chdir: "blockscout-{{ group_names[0] }}-{{ chain }}"
  when: merge_commit_item and not skip_fetch | bool
  vars:
    merge_commit_item: "{{ merge_commit | default(false) }}"

- name: Copy web config files
  copy:
    src: "blockscout-{{ group_names[0] }}-{{ chain }}/apps/block_scout_web/config/dev.secret.exs.example"
    dest: "blockscout-{{ group_names[0] }}-{{ chain }}/apps/block_scout_web/config/dev.secret.exs" 

- name: Template explorer config files 
  template:
    src: dev.secret.exs.j2 
    dest: "blockscout-{{ group_names[0] }}-{{ chain }}/apps/explorer/config/dev.secret.exs" 
  when: ps_user is defined 

- name: Copy default explorer config files
  copy:
    src: "blockscout-{{ group_names[0] }}-{{ chain }}/apps/explorer/config/dev.secret.exs.example"
    dest: "blockscout-{{ group_names[0] }}-{{ chain }}/apps/explorer/config/dev.secret.exs"
  when: ps_user is undefined or ps_user == ""

- name: Remove static assets from previous deployment, if any
  file:
    path: "blockscout-{{ group_names[0] }}-{{ chain }}/apps/block_scout_web/priv/static"
    state: absent 

- name: Compile BlockScout
  command: "mix do {{ item }}"
  args:
    chdir: "blockscout-{{ group_names[0] }}-{{ chain }}"
  with_items:
    - deps.get
    - local.rebar --force
    - deps.compile
    - compile
    - ecto.drop
    - ecto.create
    - ecto.migrate 

- name: Install Node modules at apps/block_scout_web/assets
  command: npm install 
  args:
    chdir: "blockscout-{{ group_names[0] }}-{{ chain }}/apps/block_scout_web/assets" 

- name: Execute webpack.js at apps/block_scout_web/assets/node_modules/webpack/bin 
  command: node_modules/webpack/bin/webpack.js --mode production
  args:
    chdir: "blockscout-{{ group_names[0] }}-{{ chain }}/apps/block_scout_web/assets"

- name: Instal Node modules at apps/explorer
  command: npm install
  args:
    chdir: "blockscout-{{ group_names[0] }}-{{ chain }}/apps/explorer" 

- name: Install SSL certificates
  command: mix phx.gen.cert blockscout blockscout.local
  args:
    chdir: "blockscout-{{ group_names[0] }}-{{ chain }}/apps/block_scout_web"

- name: Fetch environment variables (via access key)
  set_fact: 
    env: "{{ lookup('aws_ssm', path, aws_access_key=aws_access_key, aws_secret_key=aws_secret_key, region=aws_region|default('us-east-1'), shortnames=true, bypath=true, recursive=true  ) }}"
  vars:
    path: "/{{ group_names[0] }}/{{ chain }}"
  when: aws_access_key is defined

- name: Fetch environment variables (via profile)
  set_fact:
    env_compiled: "{{ lookup('aws_ssm', path, aws_profile=aws_profile, shortnames=true, bypath=true, recursive=true  ) }}"
  vars:
    path: "/{{ group_names[0] }}/{{ chain }}"
  when: aws_access_key is undefined

- name: Make config variables lowercase
  set_fact:
    lower_env: "{{ lower_env | combine ({item.key|lower : item.value})  }}"
  with_dict: "{{ custom_environment_chain }}"
  when: custom_environment_chain|length > 0
  vars:
    lower_env: {}
    custom_environment_chain: "{{ env_vars | default({}) if env_vars>0 else {} }}"

- name: Override env variables
  set_fact:
    env_compiled: "{{ env_compilated | combine(lower_env) }}"
  when: lower_env is defined

- name: Uppercase chain 
  set_fact:
    upper_env: "{{ upper_env | combine ({item.key|upper : item.value})  }}"
  with_dict: "{{ env_compiled }}"
  vars:
    upper_env: {}

- name: Start server
  block:
    - set_fact:
        server_port: "{{ 65535|random(seed=inventory_hostname,start=1024)  }}"

    - set_fact:
        server_env: "{{ upper_env | combine({'NETWORK_PATH':'/','PORT':server_port,'MIX_ENV':'prod'}) }}"

    - name: Start server
      command: "mix phx.server"
      environment: "{{ server_env }}"
      args:
        chdir: "blockscout-{{ group_names[0] }}-{{ chain }}" 
      async: 10000
      poll: 0 

    - debug:
        msg: "Please, open your browser at following addresses:"
      run_once: true
    
    - debug:
        msg: "{{ ansible_host }}:{{ server_port }}"

    - name: User prompt
      pause:
        prompt: "BlockScout should appear. Ensure that there is no visual artifacts and then press Enter to continue. Press Ctrl+C and then A if you face any issues to cancel the deployment. Note: Localhost stands for the machine were Ansible is currently run."
      run_once: true
      register: prompt
  always:
    - name: kill server
      command: "pkill -f {{ item }}"
      with_items:
        - beam.smp
        - webpack.js
      failed_when: false

- name: Check for execution interrupt
  fail:
    msg: "Execution aborted"
  when: prompt is failed
 
- name: Build static assets
  command: mix phx.digest
  args:
    chdir: "blockscout-{{ group_names[0] }}-{{ chain }}"

- name: User prompt
  pause:
    prompt: "Would you like to remove staging dependencies? [Yes/No] Default: Yes"
  register: user_answer
  until: user_answer.user_input|lower != "false" and user_answer.user_input|lower != "no" and user_answer.user_input|lower != "true" and user_answer.user_input|lower != "yes"
  retries: 10000
  delay: 1

- name: Remove dev dependencies
  file:
    state: absent
    path: "{{ item }}"
  with_items:
    - "blockscout-{{ group_names[0] }}-{{ chain }}/_build/"
    - "blockscout-{{ group_names[0] }}-{{ chain }}/deps/"
    - "blockscout-{{ group_names[0] }}-{{ chain }}/apps/block_scout_web/assets/node_modules/"
    - "blockscout-{{ group_names[0] }}-{{ chain }}/apps/explorer/node_modules/"
    - "blockscout-{{ group_names[0] }}-{{ chain }}/logs/dev/"
  when: user_answer.user_input | lower | bool

- name: Fix bug with favicon 
  replace:
    regexp: '\"favicon\.ico\"\:\"favicon-[a-z0-9]+?\.ico\"'
    replace: '"images/favicon.ico":"favicon.ico"'
    path: "blockscout-{{ group_names[0] }}-{{ chain }}/apps/block_scout_web/priv/static/cache_manifest.json"

- name: Upload Blockscout to S3
  command: "{{ 'AWS_ACCESS_KEY='~aws_access_key~' AWS_SECRET_ACCESS_KEY='~aws_secret_key~' AWS_DEFAULT_REGION='~aws_region if aws_profile is undefined else '' }} aws deploy push --application-name={{ group_names[0] }}-explorer --s3-location s3://{{ group_names[0] }}-explorer-codedeploy-releases/blockscout-{{ group_names[0] }}-{{ chain }}.zip --source=blockscout-{{ group_names[0] }}-{{ chain }} {{ '--profile='~aws_profile if aws_profile is defined else '' }}"
  register: push_output

- name: Upload output
  debug:
    msg: "If deployment will fail, you can try to deploy blockscout manually using the following commands: {{ 'AWS_ACCESS_KEY=XXXXXXXXXXXXXX AWS_SECRET_ACCESS_KEY=XXXXXXXXXXXX AWS_DEFAULT_REGION='~aws_region if aws_profile is undefined else '' }} {{ push_output.stdout_lines }} {{ '--profile='~aws_profile if aws_profile is defined else '' }}" 

- name: User prompt
  pause:
    prompt: "Do you want to update the Parameter Store variables? [Yes/No] Default: Yes"
  register: user_answer
  until: user_answer.user_input | lower != "false" and user_answer.user_input | lower != "no" and user_answer.user_input | lower != "true" and user_answer.user_input | lower != "yes"
  retries: 10000
  delay: 1

- name: Update chain variables
  aws_ssm_parameter_store:
    name: "/{{ group_names[0] }}/{{ chain }}/{{ item.key }}" 
    value: "{{ item.value }}"
    profile: "{{ profile }}"
    aws_access_key: "{{ access_key }}"
    aws_secret_key: "{{ secret_key }}"
    region: "{{ region }}"
  vars:
    access_key: "{{ aws_access_key|default(omit) }}"
    secret_key: "{{ aws_secret_key|default(omit) }}"
    profile: "{{ aws_profile|default(omit) }}"
    region: "{{ aws_region|default(omit) }}"
  with_dict: "{{ lower_env }}"
  when: user_answer.user_input | lower | bool

- name: User prompt
  pause:
    prompt: "Do you want to deploy BlockScout? [Yes/No] Default: Yes"
  register: user_answer
  until: user_answer.user_input | lower != "false" and user_answer.user_input | lower != "no" and user_answer.user_input | lower != "true" and user_answer.user_input | lower != "yes"
  retries: 10000
  delay: 1

- name: Deploy Blockscout
  command: "{{ 'AWS_ACCESS_KEY='~aws_access_key~' AWS_SECRET_ACCESS_KEY='~aws_secret_key~' AWS_DEFAULT_REGION='~aws_region if aws_profile is undefined else '' }} {{ push_output.stdout_lines[1] }} --deployment-group-name {{ group_names[0] }}-explorer-dg{{ groups[group_names[0]].index(inventory_hostname) }} --deployment-config-name CodeDeployDefault.OneAtATime --description '{{ env_compiled['BLOCKSCOUT_VERSION']  }}' {{ '--profile='~aws_profile if aws_profile is defined else '' }}" 
  when: user_answer.user_input | lower | bool