---
- name: Verify headscale role
  hosts: localhost
  gather_facts: false
  vars:
    headscale_data_dir: /tmp/sovereign_test/headscale
    headscale_domain: headscale.test.example.com
    base_domain: test.example.com
    authentik_domain: auth.test.example.com

  tasks:
    - name: Check headscale data directory exists
      ansible.builtin.stat:
        path: "/tmp/sovereign_test/headscale"
      register: data_dir_stat

    - name: Assert headscale data directory is present
      ansible.builtin.assert:
        that: data_dir_stat.stat.isdir
        fail_msg: "Data directory /tmp/sovereign_test/headscale was not created"

    - name: Check config subdirectory exists
      ansible.builtin.stat:
        path: "/tmp/sovereign_test/headscale/config"
      register: config_dir_stat

    - name: Assert config subdirectory is present
      ansible.builtin.assert:
        that: config_dir_stat.stat.isdir
        fail_msg: "Config directory /tmp/sovereign_test/headscale/config was not created"

    - name: Check data subdirectory exists
      ansible.builtin.stat:
        path: "/tmp/sovereign_test/headscale/data"
      register: data_subdir_stat

    - name: Assert data subdirectory is present
      ansible.builtin.assert:
        that: data_subdir_stat.stat.isdir
        fail_msg: "Data subdirectory /tmp/sovereign_test/headscale/data was not created"

    - name: Check config.yaml exists
      ansible.builtin.stat:
        path: "/tmp/sovereign_test/headscale/config/config.yaml"
      register: config_yaml_stat

    - name: Assert config.yaml was rendered
      ansible.builtin.assert:
        that: config_yaml_stat.stat.exists
        fail_msg: "config/config.yaml was not rendered for headscale"

    - name: Read config.yaml
      ansible.builtin.slurp:
        src: "/tmp/sovereign_test/headscale/config/config.yaml"
      register: config_yaml_raw

    - name: Set config content fact
      ansible.builtin.set_fact:
        headscale_config: "{{ config_yaml_raw.content | b64decode }}"

    - name: Assert config contains headscale server URL
      ansible.builtin.assert:
        that: "'https://headscale.test.example.com' in headscale_config"
        fail_msg: "config.yaml does not contain https://headscale.test.example.com"

    - name: Assert config contains base_domain
      ansible.builtin.assert:
        that: "'base_domain: \"test.example.com\"' in headscale_config"
        fail_msg: "config.yaml does not contain base_domain: \"test.example.com\""

    - name: Assert config contains authentik domain for OIDC
      ansible.builtin.assert:
        that: "'auth.test.example.com' in headscale_config"
        fail_msg: "config.yaml does not contain auth.test.example.com for OIDC"

    - name: Check docker-compose.yml exists
      ansible.builtin.stat:
        path: "/tmp/sovereign_test/headscale/docker-compose.yml"
      register: compose_stat

    - name: Assert docker-compose.yml was rendered
      ansible.builtin.assert:
        that: compose_stat.stat.exists
        fail_msg: "docker-compose.yml was not rendered for headscale"

    - name: Read docker-compose.yml
      ansible.builtin.slurp:
        src: "/tmp/sovereign_test/headscale/docker-compose.yml"
      register: compose_raw

    - name: Set compose content fact
      ansible.builtin.set_fact:
        compose: "{{ compose_raw.content | b64decode }}"

    - name: Assert headscale image is present
      ansible.builtin.assert:
        that: "'headscale/headscale' in compose"
        fail_msg: "headscale/headscale image not found in docker-compose.yml"

    - name: Assert headscale domain traefik rule is present
      ansible.builtin.assert:
        that: "'Host(`headscale.test.example.com`)' in compose"
        fail_msg: "Traefik rule for headscale.test.example.com not found in docker-compose.yml"

    - name: Assert GELF logging address is present
      ansible.builtin.assert:
        that: "'udp://127.0.0.1:12201' in compose"
        fail_msg: "GELF logging address udp://127.0.0.1:12201 not found in docker-compose.yml"

    - name: Assert sovereign network is external
      ansible.builtin.assert:
        that: "'external: true' in compose"
        fail_msg: "external: true not found in docker-compose.yml networks section"