# Copyright: (c) 2019, Andrew Klychkov (@Andersson007) <aaklychkov@mail.ru>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)

- vars:
    task_parameters: &task_parameters
      become_user: '{{ pg_user }}'
      become: yes
      register: result
    pg_parameters: &pg_parameters
      login_user: '{{ pg_user }}'
      login_db: '{{ test_db }}'

  block:

  - name: Create roles to test owner parameter
    <<: *task_parameters
    postgresql_user:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ item }}'
      role_attr_flags: SUPERUSER,LOGIN
    loop:
    - '{{ test_role1 }}'
    - '{{ test_role2 }}'

  ####################
  # Test mode: present
  ####################
  - name: Create subscription
    <<: *task_parameters
    postgresql_subscription:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ test_subscription }}'
      state: present
      publications: '{{ test_pub }}'
      connparams:
        host: 127.0.0.1
        port: '{{ master_port }}'
        user: '{{ replication_role }}'
        password: '{{ replication_pass }}'
        dbname: '{{ test_db }}'

  - assert:
      that:
      - result is changed
      - result.name == '{{ test_subscription }}'
      - result.queries == ["CREATE SUBSCRIPTION test CONNECTION 'host=127.0.0.1 port={{ master_port }} user={{ replication_role }} password={{ replication_pass }} dbname={{ test_db }}' PUBLICATION {{ test_pub }}"]
      - result.exists == true
      - result.initial_state == {}
      - result.final_state.owner == '{{ pg_user }}'
      - result.final_state.enabled == true
      - result.final_state.publications == ["{{ test_pub }}"]
      - result.final_state.synccommit == true
      - result.final_state.slotname == '{{ test_subscription }}'
      - result.final_state.conninfo.dbname == '{{ test_db }}'
      - result.final_state.conninfo.host == '127.0.0.1'
      - result.final_state.conninfo.port == {{ master_port }}
      - result.final_state.conninfo.user == '{{ replication_role }}'
      - result.final_state.conninfo.password == '{{ replication_pass }}'

  - name: Check
    <<: *task_parameters
    postgresql_query: 
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      query: "SELECT subname FROM pg_subscription WHERE subname = '{{ test_subscription }}'"

  - assert:
      that:
      - result.rowcount == 1

  ###################
  # Test mode: absent
  ###################

  - name: Drop subscription in check mode
    <<: *task_parameters
    postgresql_subscription:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ test_subscription }}'
      state: absent
    check_mode: yes

  - assert:
      that:
      - result is changed
      - result.queries == ["DROP SUBSCRIPTION {{ test_subscription }}"]
      - result.final_state == result.initial_state

  - name: Check
    <<: *task_parameters
    postgresql_query: 
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      query: "SELECT subname FROM pg_subscription WHERE subname = '{{ test_subscription }}'"

  - assert:
      that:
      - result.rowcount == 1

  - name: Drop subscription
    <<: *task_parameters
    postgresql_subscription:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ test_subscription }}'
      state: absent

  - assert:
      that:
      - result is changed
      - result.queries == ["DROP SUBSCRIPTION {{ test_subscription }}"]
      - result.final_state != result.initial_state

  - name: Check
    <<: *task_parameters
    postgresql_query: 
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      query: "SELECT subname FROM pg_subscription WHERE subname = '{{ test_subscription }}'"

  - assert:
      that:
      - result.rowcount == 0

  ##################
  # Test owner param
  ##################

  - name: Create with owner
    <<: *task_parameters
    postgresql_subscription:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ test_subscription }}'
      state: present
      publications: '{{ test_pub }}'
      owner: '{{ test_role1 }}'
      connparams:
        host: 127.0.0.1
        port: '{{ master_port }}'
        user: '{{ replication_role }}'
        password: '{{ replication_pass }}'
        dbname: '{{ test_db }}'

  - assert:
      that:
      - result.final_state.owner == '{{ test_role1 }}'
      - result.queries[1] == 'ALTER SUBSCRIPTION {{ test_subscription }} OWNER TO "{{ test_role1 }}"'

  - name: Try to set this owner again
    <<: *task_parameters
    postgresql_subscription:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ test_subscription }}'
      state: present
      publications: '{{ test_pub }}'
      owner: '{{ test_role1 }}'

  - assert:
      that:
      - result is not changed
      - result.initial_state == result.final_state
      - result.final_state.owner == '{{ test_role1 }}'

  - name: Check
    <<: *task_parameters
    postgresql_query: 
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      query: >
        SELECT subname FROM pg_subscription AS s
        JOIN pg_catalog.pg_roles AS r ON s.subowner = r.oid
        WHERE subname = '{{ test_subscription }}' and r.rolname = '{{ test_role1 }}'

  - assert:
      that:
      - result.rowcount == 1

  - name: Set another owner in check mode
    <<: *task_parameters
    postgresql_subscription:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ test_subscription }}'
      state: present
      publications: '{{ test_pub }}'
      owner: '{{ test_role2 }}'
    check_mode: yes

  - assert:
      that:
      - result is changed
      - result.initial_state == result.final_state
      - result.final_state.owner == '{{ test_role1 }}'
      - result.queries == ['ALTER SUBSCRIPTION {{ test_subscription }} OWNER TO "{{ test_role2 }}"']

  - name: Check
    <<: *task_parameters
    postgresql_query: 
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      query: >
        SELECT subname FROM pg_subscription AS s
        JOIN pg_catalog.pg_roles AS r ON s.subowner = r.oid
        WHERE subname = '{{ test_subscription }}' and r.rolname = '{{ test_role1 }}'

  - assert:
      that:
      - result.rowcount == 1

  - name: Set another owner
    <<: *task_parameters
    postgresql_subscription:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ test_subscription }}'
      state: present
      publications: '{{ test_pub }}'
      owner: '{{ test_role2 }}'

  - assert:
      that:
      - result is changed
      - result.initial_state != result.final_state
      - result.final_state.owner == '{{ test_role2 }}'
      - result.queries == ['ALTER SUBSCRIPTION {{ test_subscription }} OWNER TO "{{ test_role2 }}"']

  - name: Check
    <<: *task_parameters
    postgresql_query: 
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      query: >
        SELECT subname FROM pg_subscription AS s
        JOIN pg_catalog.pg_roles AS r ON s.subowner = r.oid
        WHERE subname = '{{ test_subscription }}' and r.rolname = '{{ test_role2 }}'

  - assert:
      that:
      - result.rowcount == 1

  ##############
  # Test cascade
  ##############

  - name: Drop subscription cascade in check mode
    <<: *task_parameters
    postgresql_subscription:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ test_subscription }}'
      state: absent
      cascade: yes
    check_mode: yes

  - assert:
      that:
      - result is changed
      - result.queries == ["DROP SUBSCRIPTION {{ test_subscription }} CASCADE"]
      - result.final_state == result.initial_state

  - name: Check
    <<: *task_parameters
    postgresql_query: 
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      query: "SELECT subname FROM pg_subscription WHERE subname = '{{ test_subscription }}'"

  - assert:
      that:
      - result.rowcount == 1

  - name: Drop subscription cascade
    <<: *task_parameters
    postgresql_subscription:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ test_subscription }}'
      state: absent
      cascade: yes

  - assert:
      that:
      - result is changed
      - result.queries == ["DROP SUBSCRIPTION {{ test_subscription }} CASCADE"]
      - result.final_state != result.initial_state

  - name: Check
    <<: *task_parameters
    postgresql_query: 
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      query: "SELECT subname FROM pg_subscription WHERE subname = '{{ test_subscription }}'"

  - assert:
      that:
      - result.rowcount == 0

  ###########################
  # Test subsparams parameter
  ###########################

  - name: Create subscription with subsparams
    <<: *task_parameters
    postgresql_subscription:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ test_subscription }}'
      state: present
      publications: '{{ test_pub }}'
      connparams:
        host: 127.0.0.1
        port: '{{ master_port }}'
        user: '{{ replication_role }}'
        password: '{{ replication_pass }}'
        dbname: '{{ test_db }}'
      subsparams:
        enabled: no
        synchronous_commit: no

  - assert:
      that:
      - result is changed
      - result.name == '{{ test_subscription }}'
      - result.queries == ["CREATE SUBSCRIPTION test CONNECTION 'host=127.0.0.1 port={{ master_port }} user={{ replication_role }} password={{ replication_pass }} dbname={{ test_db }}' PUBLICATION {{ test_pub }} WITH (enabled = false, synchronous_commit = false)"]
      - result.exists == true
      - result.final_state.enabled == false
      - result.final_state.synccommit == false

  - name: Check
    <<: *task_parameters
    postgresql_query: 
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      query: >
        SELECT subname FROM pg_subscription WHERE subname = '{{ test_subscription }}'
        AND subenabled = 'f' AND subsynccommit = 'false'

  - assert:
      that:
      - result.rowcount == 1

  - name: Enable changed params
    <<: *task_parameters
    postgresql_subscription:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ test_subscription }}'
      publications: '{{ test_pub }}'
      subsparams:
        enabled: yes
        synchronous_commit: yes

  - assert:
      that:
      - result is changed
      - result.name == '{{ test_subscription }}'
      - result.queries == ["ALTER SUBSCRIPTION {{ test_subscription }} ENABLE", "ALTER SUBSCRIPTION {{ test_subscription }} SET (synchronous_commit = true)"]
      - result.exists == true
      - result.final_state.enabled == true
      - result.final_state.synccommit == true

  - name: Check
    <<: *task_parameters
    postgresql_query: 
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      query: >
        SELECT subname FROM pg_subscription WHERE subname = '{{ test_subscription }}'
        AND subenabled = 't' AND subsynccommit = 'true'

  - assert:
      that:
      - result.rowcount == 1

  - name: Enable the same params again
    <<: *task_parameters
    postgresql_subscription:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ test_subscription }}'
      publications: '{{ test_pub }}'
      subsparams:
        enabled: yes
        synchronous_commit: yes

  - assert:
      that:
      - result is not changed
      - result.name == '{{ test_subscription }}'
      - result.queries == []
      - result.exists == true
      - result.final_state == result.initial_state
      - result.final_state.enabled == true
      - result.final_state.synccommit == true

  ##########################
  # Test change publications
  ##########################

  - name: Change publications in check mode
    <<: *task_parameters
    postgresql_subscription:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ test_subscription }}'
      state: present
      publications:
      - '{{ test_pub }}'
      - '{{ test_pub2 }}'
    check_mode: yes

  - assert:
      that:
      - result is changed
      - result.name == '{{ test_subscription }}'
      - result.final_state.publications == result.initial_state.publications
      - result.final_state.publications == ['{{ test_pub }}']
      - result.queries == ['ALTER SUBSCRIPTION {{ test_subscription }} SET PUBLICATION {{ test_pub }}, {{ test_pub2 }}']

  - name: Check
    <<: *task_parameters
    postgresql_query: 
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      query: >
        SELECT subname FROM pg_subscription WHERE subname = '{{ test_subscription }}'
        AND subpublications = '{"{{ test_pub }}"}'

  - assert:
      that:
      - result.rowcount == 1

  - name: Change publications
    <<: *task_parameters
    postgresql_subscription:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ test_subscription }}'
      state: present
      publications:
      - '{{ test_pub }}'
      - '{{ test_pub2 }}'

  - assert:
      that:
      - result is changed
      - result.name == '{{ test_subscription }}'
      - result.final_state.publications != result.initial_state.publications
      - result.final_state.publications == ['{{ test_pub }}', '{{ test_pub2 }}']
      - result.queries == ['ALTER SUBSCRIPTION {{ test_subscription }} SET PUBLICATION {{ test_pub }}, {{ test_pub2 }}']

  - name: Check
    <<: *task_parameters
    postgresql_query: 
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      query: >
        SELECT subname FROM pg_subscription WHERE subname = '{{ test_subscription }}'
        AND subpublications = '{"{{ test_pub }}", "{{ test_pub2 }}"}'

  - assert:
      that:
      - result.rowcount == 1

  - name: Change publications with the same values again
    <<: *task_parameters
    postgresql_subscription:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ test_subscription }}'
      state: present
      publications:
      - '{{ test_pub }}'
      - '{{ test_pub2 }}'

  - assert:
      that:
      - result is not changed
      - result.name == '{{ test_subscription }}'
      - result.final_state.publications == result.initial_state.publications
      - result.final_state.publications == ['{{ test_pub }}', '{{ test_pub2 }}']
      - result.queries == []

  - name: Check
    <<: *task_parameters
    postgresql_query: 
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      query: >
        SELECT subname FROM pg_subscription WHERE subname = '{{ test_subscription }}'
        AND subpublications = '{"{{ test_pub }}", "{{ test_pub2 }}"}'

  - assert:
      that:
      - result.rowcount == 1

  ######################
  # Test update conninfo
  ######################

  - name: Change conninfo in check mode
    <<: *task_parameters
    postgresql_subscription:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ test_subscription }}'
      state: present
      connparams:
        host: 127.0.0.1
        port: '{{ master_port }}'
        user: '{{ replication_role }}'
        password: '{{ replication_pass }}'
        dbname: '{{ test_db }}'
        connect_timeout: '{{ conn_timeout }}'
    check_mode: yes

  - assert:
      that:
      - result is changed
      - result.name == '{{ test_subscription }}'
      - result.queries == ["ALTER SUBSCRIPTION {{ test_subscription }} CONNECTION 'host=127.0.0.1 port={{ master_port }} user={{ replication_role }} password={{ replication_pass }} dbname={{ test_db }} connect_timeout={{ conn_timeout }}'"]
      - result.initial_state.conninfo == result.final_state.conninfo

  - name: Change conninfo
    <<: *task_parameters
    postgresql_subscription:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ test_subscription }}'
      state: present
      connparams:
        host: 127.0.0.1
        port: '{{ master_port }}'
        user: '{{ replication_role }}'
        password: '{{ replication_pass }}'
        dbname: '{{ test_db }}'
        connect_timeout: '{{ conn_timeout }}'

  - assert:
      that:
      - result is changed
      - result.name == '{{ test_subscription }}'
      - result.queries == ["ALTER SUBSCRIPTION {{ test_subscription }} CONNECTION 'host=127.0.0.1 port={{ master_port }} user={{ replication_role }} password={{ replication_pass }} dbname={{ test_db }} connect_timeout={{ conn_timeout }}'"]
      - result.initial_state.conninfo != result.final_state.conninfo

  - name: Check
    <<: *task_parameters
    postgresql_query: 
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      query: "SELECT * FROM pg_subscription WHERE subname = '{{ test_subscription }}'"

  - assert:
      that:
      - result.query_result[0].subconninfo == "host=127.0.0.1 port={{ master_port }} user={{ replication_role }} password={{ replication_pass }} dbname={{ test_db }} connect_timeout={{ conn_timeout }}"

  - name: Try to change conninfo again with the same values
    <<: *task_parameters
    postgresql_subscription:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ test_subscription }}'
      state: present
      connparams:
        host: 127.0.0.1
        port: '{{ master_port }}'
        user: '{{ replication_role }}'
        password: '{{ replication_pass }}'
        dbname: '{{ test_db }}'
        connect_timeout: '{{ conn_timeout }}'

  - assert:
      that:
      - result is not changed
      - result.name == '{{ test_subscription }}'
      - result.queries == []
      - result.initial_state.conninfo == result.final_state.conninfo
      - result.final_state.conninfo.connect_timeout == {{ conn_timeout }}

  ####################
  # Test state refresh
  ####################

  - name: Refresh in check mode
    <<: *task_parameters
    postgresql_subscription:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ test_subscription }}'
      state: refresh
    check_mode: yes

  - assert:
      that:
      - result is changed
      - result.name == '{{ test_subscription }}'
      - result.queries == ["ALTER SUBSCRIPTION {{ test_subscription }} REFRESH PUBLICATION"]

  - name: Refresh
    <<: *task_parameters
    postgresql_subscription:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ test_subscription }}'
      state: refresh

  - assert:
      that:
      - result is changed
      - result.name == '{{ test_subscription }}'
      - result.queries == ["ALTER SUBSCRIPTION {{ test_subscription }} REFRESH PUBLICATION"]

  ##########
  # Clean up
  ##########
  - name: Drop subscription
    <<: *task_parameters
    postgresql_subscription:
      <<: *pg_parameters
      login_port: '{{ replica_port }}'
      name: '{{ test_subscription }}'
      state: absent