---
- name: Full Minecraft Server Setup (Paper + Geyser + Floodgate)
  hosts: gameservers
  become: yes
  vars:
    minecraft_user: minecraft
    minecraft_home: /opt/minecraft
    paper_version: "1.21.1"
    paper_build: "130"
    java_opts: "-Xms1G -Xmx3G -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:G1NewSizePercent=30 -XX:G1MaxNewSizePercent=40 -XX:G1HeapRegionSize=8M -XX:G1ReservePercent=20 -XX:G1HeapWastePercent=5 -XX:G1MixedGCCountTarget=4 -XX:InitiatingHeapOccupancyPercent=15 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1"

  tasks:

    - name: Ensure required packages
      apt:
        name:
          - openjdk-21-jdk
          - curl
          - unzip
        state: present
        update_cache: yes

    - name: Create minecraft user
      user:
        name: "{{ minecraft_user }}"
        shell: /bin/bash
        create_home: yes
        home: "{{ minecraft_home }}"

    - name: Create server directory
      file:
        path: "{{ minecraft_home }}"
        state: directory
        owner: "{{ minecraft_user }}"
        group: "{{ minecraft_user }}"
        mode: '0755'

    - name: Download PaperMC server
      get_url:
        url: "https://api.papermc.io/v2/projects/paper/versions/{{ paper_version }}/builds/{{ paper_build }}/downloads/paper-{{ paper_version }}-{{ paper_build }}.jar"
        dest: "{{ minecraft_home }}/paper.jar"
        owner: "{{ minecraft_user }}"
        group: "{{ minecraft_user }}"
        mode: '0755'

    - name: Download Geyser-Spigot plugin
      get_url:
        url: "https://ci.opencollab.dev/job/GeyserMC/job/Geyser/job/master/lastSuccessfulBuild/artifact/bootstrap/spigot/target/Geyser-Spigot.jar"
        dest: "{{ minecraft_home }}/plugins/Geyser-Spigot.jar"
        owner: "{{ minecraft_user }}"
        group: "{{ minecraft_user }}"
        mode: '0644'

    - name: Download Floodgate plugin
      get_url:
        url: "https://ci.opencollab.dev/job/GeyserMC/job/Floodgate/job/master/lastSuccessfulBuild/artifact/spigot/build/libs/floodgate-spigot.jar"
        dest: "{{ minecraft_home }}/plugins/floodgate-spigot.jar"
        owner: "{{ minecraft_user }}"
        group: "{{ minecraft_user }}"
        mode: '0644'

    - name: Create start.sh script
      copy:
        dest: "{{ minecraft_home }}/start.sh"
        content: |
          #!/bin/bash
          cd {{ minecraft_home }}
          exec java {{ java_opts }} -jar paper.jar nogui
        owner: "{{ minecraft_user }}"
        group: "{{ minecraft_user }}"
        mode: '0755'

    - name: Accept EULA
      copy:
        dest: "{{ minecraft_home }}/eula.txt"
        content: "eula=true"
        owner: "{{ minecraft_user }}"
        group: "{{ minecraft_user }}"
        mode: '0644'

    - name: Create systemd service
      copy:
        dest: /etc/systemd/system/minecraft.service
        content: |
          [Unit]
          Description=Minecraft Server
          After=network.target

          [Service]
          User={{ minecraft_user }}
          WorkingDirectory={{ minecraft_home }}
          ExecStart={{ minecraft_home }}/start.sh
          Restart=on-failure
          RestartSec=10

          [Install]
          WantedBy=multi-user.target
        mode: '0644'

    - name: Reload systemd and enable Minecraft service
      systemd:
        daemon_reload: yes
        name: minecraft
        enabled: yes
        state: started