name: BotServer CI/CD

on:
  push:
    branches: ["main"]

env:
  CARGO_BUILD_JOBS: 8
  CARGO_NET_RETRY: 10
  RUSTC_WRAPPER: sccache
  SCCACHE_DIR: /tmp/sccache
  CARGO_HOME: /tmp/cargo

jobs:
  build:
    runs-on: gbo

    steps:
      - name: Install system dependencies
        run: |
          PKGS="libpq-dev libssl-dev liblzma-dev pkg-config"
          MISSING=""
          for pkg in $PKGS; do
            dpkg -s "$pkg" >/dev/null 2>&1 || MISSING="$MISSING $pkg"
          done
          if [ -n "$MISSING" ]; then
            apt-get update -qq
            apt-get install -y --no-install-recommends $MISSING
          fi

      - name: Setup Workspace
        run: |
          mkdir -p /tmp/sccache
          mkdir -p /tmp/cargo
          mkdir -p /tmp/persistent-botserver
          mkdir -p /tmp/gb-ws

      - name: Update botlib
        run: |
          cd /tmp/persistent-botserver
          if [ -d botlib/.git ]; then
            cd botlib && git fetch origin main && git reset --hard origin/main
          else
            rm -rf botlib
            git clone --depth 1 --branch main https://alm.pragmatismo.com.br/GeneralBots/botlib.git botlib
          fi

      - name: Update botserver
        run: |
          cd /tmp/persistent-botserver
          if [ -d botserver/.git ]; then
            cd botserver
            git config user.email "ci@pragmatismo.com.br"
            git config user.name "CI Runner"
            git fetch origin main
            git reset --hard origin/main
          else
            rm -rf botserver
            git clone --depth 1 --branch main https://alm.pragmatismo.com.br/GeneralBots/BotServer.git botserver
          fi

      - name: Update gb workspace
        run: |
          if [ -d /tmp/gb-ws/.git ]; then
            cd /tmp/gb-ws && git fetch origin main && git reset --hard origin/main
          else
            rm -rf /tmp/gb-ws
            git clone --depth 1 --branch main https://alm.pragmatismo.com.br/GeneralBots/gb.git /tmp/gb-ws
          fi

      - name: Setup Cargo.toml
        run: |
          cd /tmp/persistent-botserver
          cp /tmp/gb-ws/Cargo.toml Cargo.toml
          for m in botapp botdevice bottest botui botbook botmodels botplugin bottemplates; do
            grep -v "\"$m\"" Cargo.toml > /tmp/c.toml && mv /tmp/c.toml Cargo.toml
          done

      - name: Build BotServer
        working-directory: /tmp/persistent-botserver
        run: |
          export PATH="/home/gbuser/.cargo/bin:/home/gbuser/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin:$PATH"
          sccache --start-server 2>/dev/null || true
          cargo build --package botserver
          sccache --stop-server 2>/dev/null || true

      - name: Deploy
        run: |
          set -e
          SSH_ARGS="-i /home/gbuser/.ssh/id_ed25519 -o StrictHostKeyChecking=no"
          
          echo "Stopping botserver..."
          ssh $SSH_ARGS system "sudo systemctl stop botserver 2>/dev/null || true; sleep 2"
          
          echo "Transferring..."
          scp $SSH_ARGS /tmp/persistent-botserver/target/debug/botserver system:/tmp/botserver-new
          ssh $SSH_ARGS system "sudo mv /tmp/botserver-new /opt/gbo/bin/botserver && sudo chmod +x /opt/gbo/bin/botserver && sudo chown gbuser:gbuser /opt/gbo/bin/botserver"
          
          echo "Starting..."
          ssh $SSH_ARGS system "sudo systemctl start botserver"
          
          echo "Health check..."
          sleep 5
          for i in $(seq 1 30); do
            if ssh $SSH_ARGS system "curl -sf http://localhost:8080/api/health" 2>/dev/null; then
              echo "OK"
              break
            fi
            echo "wait ($i/30)"
            sleep 2
          done

      - name: Verify
        run: |
          SSH_ARGS="-i /home/gbuser/.ssh/id_ed25519 -o StrictHostKeyChecking=no"
          ssh $SSH_ARGS system "pgrep -f botserver && echo OK || echo FAIL"