---
# ================================================================
# jnss-web Static Site Deployment Playbook
# ================================================================
# Deploys the jnss-web SvelteKit static site to jnss.me
#
# Usage:
#   ansible-playbook -i inventory/hosts.yml playbooks/deploy-jnss-web.yml
#
# This playbook:
# - Clones the jnss-web repository (deploy branch) to a temp directory
# - Syncs build artifacts to /var/www/jnss-web
# - Deploys Caddy configuration for jnss.me with www redirect
# - Reloads Caddy to serve the new site
# ================================================================

- name: Deploy jnss-web static site
  hosts: homelab
  become: true
  
  vars:
    # Git repository configuration
    jnss_web_repo_url: "https://git.jnss.me/joakim/jnss-web.git"
    jnss_web_branch: "deploy"
    
    # Server paths
    jnss_web_root: "/var/www/jnss-web"
    
    # Domain configuration
    jnss_web_domain: "jnss.me"
    
    # Caddy configuration
    caddy_user: "caddy"
    caddy_sites_enabled_dir: "/etc/caddy/sites-enabled"
  
  tasks:
    # ============================================================
    # Git Repository Management
    # ============================================================
    
    - name: Create temporary directory for git clone
      tempfile:
        state: directory
        suffix: -jnss-web
      register: temp_clone_dir
      tags: [jnss-web, deploy]
    
    - name: Clone jnss-web repository to temp directory
      git:
        repo: "{{ jnss_web_repo_url }}"
        dest: "{{ temp_clone_dir.path }}"
        version: "{{ jnss_web_branch }}"
        depth: 1
      tags: [jnss-web, deploy]
    
    - name: Verify build directory exists in repository
      stat:
        path: "{{ temp_clone_dir.path }}/index.html"
      register: build_dir
      tags: [jnss-web, deploy]
    
    - name: Fail if index.html not found
      fail:
        msg: "Build index.html not found in repository root. Ensure the deploy branch contains the built artifacts."
      when: not build_dir.stat.exists
      tags: [jnss-web, deploy]
    
    # ============================================================
    # Web Root Deployment
    # ============================================================
    
    - name: Remove old web root
      file:
        path: "{{ jnss_web_root }}"
        state: absent
      tags: [jnss-web, deploy]
    
    - name: Create fresh web root directory
      file:
        path: "{{ jnss_web_root }}"
        state: directory
        owner: "{{ caddy_user }}"
        group: "{{ caddy_user }}"
        mode: '0755'
      tags: [jnss-web, deploy]
    
    - name: Copy build files to web root
      copy:
        src: "{{ temp_clone_dir.path }}/"
        dest: "{{ jnss_web_root }}/"
        owner: "{{ caddy_user }}"
        group: "{{ caddy_user }}"
        mode: '0755'
        remote_src: true
      tags: [jnss-web, deploy]
    
    - name: Clean up temporary clone directory
      file:
        path: "{{ temp_clone_dir.path }}"
        state: absent
      tags: [jnss-web, deploy]
    
    # ============================================================
    # Caddy Configuration
    # ============================================================
    
    - name: Deploy Caddy configuration for jnss-web
      template:
        src: templates/jnss-web.caddy.j2
        dest: "{{ caddy_sites_enabled_dir }}/jnss-web.caddy"
        owner: root
        group: "{{ caddy_user }}"
        mode: '0644'
      notify: reload caddy
      tags: [jnss-web, caddy]
    
    - name: Validate Caddy configuration
      command: caddy validate --config /etc/caddy/Caddyfile
      register: caddy_validate
      changed_when: false
      tags: [jnss-web, caddy]
    
    - name: Display Caddy validation result
      debug:
        msg: "Caddy configuration is valid"
      when: caddy_validate.rc == 0
      tags: [jnss-web, caddy]
  
  handlers:
    - name: reload caddy
      systemd:
        name: caddy
        state: reloaded