- name: Ansible delete file glob
  find:
    paths: /tmp/
    file_type: directory
    patterns: "files-{{ group_names[0] }}"
  register: files_to_delete

- name: Ansible remove file glob
  file:
    path: "{{ item.path }}"
    state: absent
  with_items: "{{ files_to_delete.files }}"

- name: Copy files
  copy:
    src: "roles/main_infra/files/"
    dest: "/tmp/files-{{ group_names[0] }}/"

- name: Local or remote backend selector (remote)
  template: 
    src: remote-backend-selector.tf.j2 
    dest: "/tmp/files-{{ group_names[0] }}/remote-backend-selector.tf"
  when: 
    - backend | bool

- name: Local or remote backend selector (local)
  file:
    state: absent
    dest: "/tmp/files-{{ group_names[0] }}/remote-backend-selector.tf"
  when: 
    - not backend | default('false') | bool

- name: Generating variables file
  template:
    src: terraform.tfvars.j2
    dest: "/tmp/files-{{ group_names[0] }}/terraform.tfvars"

- name: Generating backend file
  template:
    src: backend.tfvars.j2
    dest: "/tmp/files-{{ group_names[0] }}/backend.tfvars"
  when: backend | default('false') | bool

- name: Remove Terraform state
  file:
    path: "{{ item }}"
    state: absent
  with_items:
    - "/tmp/files-{{ group_names[0] }}/.terraform/"
    - "/tmp/files-{{ group_names[0] }}/terraform.tfstate"
    - "/tmp/files-{{ group_names[0] }}/terraform.tfstate.backup"
    - "/tmp/files-{{ group_names[0] }}/terraform.tfplan"

- name: Generate Terraform files
  template:
    src: "{{ item.key }}"
    dest: "{{ item.value }}"
  with_dict: { hosts.tf.j2: "/tmp/files-{{ group_names[0] }}/hosts.tf", routing.tf.j2: "/tmp/files-{{ group_names[0] }}/routing.tf", provider.tf.j2: "/tmp/files-{{ group_names[0] }}/provider.tf" }
    
#Workaround since terraform module return unexpected error.
- name: Terraform plan construct
  shell: "echo yes | {{ terraform_location }} {{ item }}"
  register: tf_plan
  args:
    chdir: "/tmp/files-{{ group_names[0] }}"
  with_items:
    - "init{{ ' -backend-config=backend.tfvars' if backend|bool == true else '' }}"
    - plan -out terraform.tfplan
    - show terraform.tfplan -no-color

- name: Show Terraform plan
  debug:
    var: tf_plan.results[2].stdout_lines

- name: User prompt
  pause:
    prompt: "Are you absolutely sure you want to execute the deployment plan shown above? [False]"
  register: user_answer
  until: user_answer.user_input | lower in conditional 
  retries: 10000
  delay: 1
  vars:
    conditional: ['yes','no','true','false']
  when: inventory_hostname == groups['all'][0]

- name: Insert vars into parameter store
  include: parameter_store.yml
  when: hostvars[groups['all'][0]].user_answer.user_input | bool

- name: Terraform provisioning
  shell: "echo yes | {{ terraform_location }} apply terraform.tfplan" 
  args:
    chdir: "/tmp/files-{{ group_names[0] }}"
  when: hostvars[groups['all'][0]].user_answer.user_input | bool
  ignore_errors: True

- name: Ensure Terraform resources has been provisioned
  shell: "echo yes | {{ terraform_location }} apply"
  args:
    chdir: "/tmp/files-{{ group_names[0] }}"
  when: hostvars[groups['all'][0]].user_answer.user_input | bool

- name: Terraform output info into variable
  shell: "{{ terraform_location }} output -json"
  register: output
  args:
    chdir: "/tmp/files-{{ group_names[0] }}"
  when: hostvars[groups['all'][0]].user_answer.user_input | bool

- name: Output info from Terraform
  debug:
    var: output.stdout_lines
  when: hostvars[groups['all'][0]].user_answer.user_input | bool

- name: Ansible delete file glob
  find:
    paths: /tmp/
    file_type: directory
    patterns: "files-{{ group_names[0] }}"
  register: files_to_delete

- name: Ansible remove file glob
  file:
    path: "{{ item.path }}"
    state: absent
  with_items: "{{ files_to_delete.files }}"