---

- set_fact:
    matrix_dimension_requires_restart: false

- block:
    - name: Check if an SQLite database already exists
      stat:
        path: "{{ matrix_dimension_sqlite_database_path_local }}"
      register: matrix_dimension_sqlite_database_path_local_stat_result

    - block:
        # pgloader makes a few columns `smallint`, instead of `boolean`.
        # We need to fix them up.
        - set_fact:
            matrix_dimension_pgloader_additional_psql_statements_list: []

        - set_fact:
            matrix_dimension_pgloader_additional_psql_statements_list: |
              {{
                matrix_dimension_pgloader_additional_psql_statements_list
                +
                ([] if item.default == '' else ['ALTER TABLE ' + item.table + ' ALTER COLUMN "' + item.column + '" DROP default;'])
                +
                (['ALTER TABLE ' + item.table + ' ALTER COLUMN "' + item.column + '" TYPE BOOLEAN USING("' + item.column + '"::text::boolean);'])
                +
                ([] if item.default == '' else ['ALTER TABLE ' + item.table + ' ALTER COLUMN "' + item.column + '" SET default ' + item.default + ';'])
              }}
          with_items:
            - {'table': 'dimension_widgets', 'column': 'isEnabled', 'default': ''}
            - {'table': 'dimension_widgets', 'column': 'isPublic', 'default': ''}
            - {'table': 'dimension_webhook_bridges', 'column': 'isEnabled', 'default': ''}
            - {'table': 'dimension_user_sticker_packs', 'column': 'isSelected', 'default': ''}
            - {'table': 'dimension_scalar_tokens', 'column': 'isDimensionToken', 'default': ''}
            - {'table': 'dimension_users', 'column': 'isSelfBot', 'default': 'false'}
            - {'table': 'dimension_telegram_bridges', 'column': 'allowTgPuppets', 'default': ''}
            - {'table': 'dimension_telegram_bridges', 'column': 'allowMxPuppets', 'default': ''}
            - {'table': 'dimension_telegram_bridges', 'column': 'isEnabled', 'default': ''}
            - {'table': 'dimension_sticker_packs', 'column': 'isEnabled', 'default': ''}
            - {'table': 'dimension_sticker_packs', 'column': 'isPublic', 'default': ''}
            - {'table': 'dimension_slack_bridges', 'column': 'isEnabled', 'default': ''}
            - {'table': 'dimension_neb_integrations', 'column': 'isPublic', 'default': ''}
            - {'table': 'dimension_neb_integrations', 'column': 'isEnabled', 'default': ''}
            - {'table': 'dimension_irc_bridges', 'column': 'isEnabled', 'default': ''}
            - {'table': 'dimension_irc_bridge_networks', 'column': 'isEnabled', 'default': ''}
            - {'table': 'dimension_gitter_bridges', 'column': 'isEnabled', 'default': ''}
            - {'table': 'dimension_custom_simple_bots', 'column': 'isEnabled', 'default': ''}
            - {'table': 'dimension_custom_simple_bots', 'column': 'isPublic', 'default': ''}
            - {'table': 'dimension_bridges', 'column': 'isEnabled', 'default': ''}
            - {'table': 'dimension_bridges', 'column': 'isPublic', 'default': ''}

        - set_fact:
            matrix_postgres_db_migration_request:
              src: "{{ matrix_dimension_sqlite_database_path_local }}"
              dst: "{{ matrix_dimension_database_connection_string }}"
              caller: "{{ role_path|basename }}"
              engine_variable_name: 'matrix_dimension_database_engine'
              engine_old: 'sqlite'
              systemd_services_to_stop: ['matrix-dimension.service']
              pgloader_options: ['--with "quote identifiers"']
              additional_psql_statements_list: "{{ matrix_dimension_pgloader_additional_psql_statements_list }}"
              additional_psql_statements_db_name: "{{ matrix_dimension_database_name }}"

        - import_tasks: "{{ role_path }}/../matrix-postgres/tasks/util/migrate_db_to_postgres.yml"

        - set_fact:
            matrix_dimension_requires_restart: true
      when: "matrix_dimension_sqlite_database_path_local_stat_result.stat.exists|bool"
  when: "matrix_dimension_database_engine == 'postgres'"

- name: Ensure Dimension base path exists
  file:
    path: "{{ matrix_dimension_base_path }}"
    state: directory
    mode: 0770
    owner: "{{ matrix_user_username }}"
    group: "{{ matrix_dimension_user_gid }}"

- name: Ensure Dimension config installed
  copy:
    content: "{{ matrix_dimension_configuration|to_nice_yaml }}"
    dest: "{{ matrix_dimension_base_path }}/config.yaml"
    mode: 0640
    owner: "{{ matrix_user_username }}"
    group: "{{ matrix_dimension_user_gid }}"

- name: Ensure Dimension image is pulled
  docker_image:
    name: "{{ matrix_dimension_docker_image }}"
    source: "{{ 'pull' if ansible_version.major > 2 or ansible_version.minor > 7 else omit }}"
    force_source: "{{ matrix_dimension_docker_image_force_pull if ansible_version.major > 2 or ansible_version.minor >= 8 else omit }}"
    force: "{{ omit if ansible_version.major > 2 or ansible_version.minor >= 8 else matrix_dimension_docker_image_force_pull }}"

- name: Ensure matrix-dimension.service installed
  template:
    src: "{{ role_path }}/templates/systemd/matrix-dimension.service.j2"
    dest: "{{ matrix_systemd_path }}/matrix-dimension.service"
    mode: 0644
  register: matrix_dimension_systemd_service_result

- name: Ensure systemd reloaded after matrix-dimension.service installation
  service:
    daemon_reload: yes
  when: "matrix_dimension_systemd_service_result.changed|bool"

- name: Ensure matrix-dimension.service restarted, if necessary
  service:
    name: "matrix-dimension.service"
    state: restarted
  when: "matrix_dimension_requires_restart|bool"