name: CI Pipeline

on:
  push:
    branches: [master]
    tags: ["v*"]
  pull_request:
    branches: [master]

env:
  CARGO_TERM_COLOR: always
  RUST_BACKTRACE: 1

jobs:
  # ─── Quality Gates (run on every push/PR/tag) ───

  rust-format:
    name: Rust Format Check
    runs-on: linux
    steps:
      - name: Install checkout dependencies
        run: |
          SUDO=""; [ "$(id -u)" -ne 0 ] && SUDO="sudo"
          $SUDO apt-get update -qq
          $SUDO apt-get install -y --no-install-recommends curl ca-certificates

      - name: Checkout repository
        run: |
          TOKEN="${GITHUB_TOKEN:-$GITEA_TOKEN}"
          curl -sf -H "Authorization: token ${TOKEN}" \
            "http://192.168.2.189:3000/api/v1/repos/${GITHUB_REPOSITORY}/archive/${GITHUB_SHA}.tar.gz" \
            -o repo.tar.gz
          tar xzf repo.tar.gz --strip-components=1
          rm repo.tar.gz

      - name: Ensure Rust toolchain
        run: |
          . "$HOME/.cargo/env" 2>/dev/null || true
          if ! command -v cargo &>/dev/null; then
            curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
            . "$HOME/.cargo/env"
          fi
          rustup component add rustfmt
          echo "Rust: $(cargo --version)"
          echo "Rustfmt: $(rustfmt --version)"

      - name: Check formatting
        run: |
          . "$HOME/.cargo/env"
          cargo fmt --check --all 2>&1

  clippy:
    name: Clippy Lints
    runs-on: linux
    steps:
      - name: Install checkout dependencies
        run: |
          SUDO=""; [ "$(id -u)" -ne 0 ] && SUDO="sudo"
          $SUDO apt-get update -qq
          $SUDO apt-get install -y --no-install-recommends curl ca-certificates

      - name: Checkout repository
        run: |
          TOKEN="${GITHUB_TOKEN:-$GITEA_TOKEN}"
          curl -sf -H "Authorization: token ${TOKEN}" \
            "http://192.168.2.189:3000/api/v1/repos/${GITHUB_REPOSITORY}/archive/${GITHUB_SHA}.tar.gz" \
            -o repo.tar.gz
          tar xzf repo.tar.gz --strip-components=1
          rm repo.tar.gz

      - name: Install system dependencies
        run: |
          SUDO=""; [ "$(id -u)" -ne 0 ] && SUDO="sudo"
          $SUDO apt-get update -qq
          $SUDO apt-get install -y --no-install-recommends pkg-config libssl-dev

      - name: Ensure Rust toolchain
        run: |
          . "$HOME/.cargo/env" 2>/dev/null || true
          if ! command -v cargo &>/dev/null; then
            curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
            . "$HOME/.cargo/env"
          fi
          rustup component add clippy
          echo "Rust: $(cargo --version)"
          echo "Clippy: $(cargo clippy --version)"

      - name: Run Clippy
        run: |
          . "$HOME/.cargo/env"
          cargo clippy --all-targets --all-features -- \
            -D warnings \
            -D clippy::all \
            -D clippy::pedantic \
            -A clippy::module-name-repetitions \
            -A clippy::too-many-arguments \
            -A clippy::cast-possible-truncation \
            -A clippy::cast-possible-wrap \
            -A clippy::missing-errors-doc \
            -A clippy::missing-panics-doc 2>&1

  rust-test:
    name: Rust Unit Tests
    runs-on: linux
    steps:
      - name: Install checkout dependencies
        run: |
          SUDO=""; [ "$(id -u)" -ne 0 ] && SUDO="sudo"
          $SUDO apt-get update -qq
          $SUDO apt-get install -y --no-install-recommends curl ca-certificates

      - name: Checkout repository
        run: |
          TOKEN="${GITHUB_TOKEN:-$GITEA_TOKEN}"
          curl -sf -H "Authorization: token ${TOKEN}" \
            "http://192.168.2.189:3000/api/v1/repos/${GITHUB_REPOSITORY}/archive/${GITHUB_SHA}.tar.gz" \
            -o repo.tar.gz
          tar xzf repo.tar.gz --strip-components=1
          rm repo.tar.gz

      - name: Install system dependencies
        run: |
          SUDO=""; [ "$(id -u)" -ne 0 ] && SUDO="sudo"
          $SUDO apt-get update -qq
          $SUDO apt-get install -y --no-install-recommends pkg-config libssl-dev

      - name: Ensure Rust toolchain
        run: |
          . "$HOME/.cargo/env" 2>/dev/null || true
          if ! command -v cargo &>/dev/null; then
            curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
            . "$HOME/.cargo/env"
          fi
          echo "Rust: $(cargo --version)"

      - name: Run tests
        run: |
          . "$HOME/.cargo/env"
          cargo test --workspace --all-features 2>&1

  security-audit:
    name: Security Audit
    runs-on: linux
    steps:
      - name: Install checkout dependencies
        run: |
          SUDO=""; [ "$(id -u)" -ne 0 ] && SUDO="sudo"
          $SUDO apt-get update -qq
          $SUDO apt-get install -y --no-install-recommends curl ca-certificates

      - name: Checkout repository
        run: |
          TOKEN="${GITHUB_TOKEN:-$GITEA_TOKEN}"
          curl -sf -H "Authorization: token ${TOKEN}" \
            "http://192.168.2.189:3000/api/v1/repos/${GITHUB_REPOSITORY}/archive/${GITHUB_SHA}.tar.gz" \
            -o repo.tar.gz
          tar xzf repo.tar.gz --strip-components=1
          rm repo.tar.gz

      - name: Ensure Rust toolchain
        run: |
          . "$HOME/.cargo/env" 2>/dev/null || true
          if ! command -v cargo &>/dev/null; then
            curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
            . "$HOME/.cargo/env"
          fi

      - name: Install cargo-audit
        run: |
          . "$HOME/.cargo/env"
          cargo install cargo-audit 2>/dev/null || true

      - name: Run security audit
        run: |
          . "$HOME/.cargo/env"
          cargo audit 2>&1

  frontend-lint:
    name: Frontend Lint & Type Check
    runs-on: linux
    steps:
      - name: Install checkout dependencies
        run: |
          SUDO=""; [ "$(id -u)" -ne 0 ] && SUDO="sudo"
          $SUDO apt-get update -qq
          $SUDO apt-get install -y --no-install-recommends curl ca-certificates

      - name: Checkout repository
        run: |
          TOKEN="${GITHUB_TOKEN:-$GITEA_TOKEN}"
          curl -sf -H "Authorization: token ${TOKEN}" \
            "http://192.168.2.189:3000/api/v1/repos/${GITHUB_REPOSITORY}/archive/${GITHUB_SHA}.tar.gz" \
            -o repo.tar.gz
          tar xzf repo.tar.gz --strip-components=1
          rm repo.tar.gz

      - name: Install Node.js dependencies
        working-directory: frontend
        run: npm ci

      - name: Run ESLint
        working-directory: frontend
        run: npx eslint src/ --ext .ts,.tsx --max-warnings 0 2>&1

      - name: TypeScript type check
        working-directory: frontend
        run: npx tsc --noEmit 2>&1

  # ─── Build & Release (only on tag pushes, gated by quality checks) ───

  build-and-release:
    name: Build .deb & Release
    runs-on: linux
    needs: [rust-format, clippy, rust-test, security-audit, frontend-lint]
    if: startsWith(github.ref, 'refs/tags/v')
    steps:
      - name: Install system dependencies
        run: |
          SUDO=""; [ "$(id -u)" -ne 0 ] && SUDO="sudo"
          $SUDO apt-get update -qq
          $SUDO apt-get install -y --no-install-recommends \
            curl pkg-config libssl-dev ca-certificates \
            git nodejs npm dpkg-dev python3

      - name: Checkout repository
        run: |
          TOKEN="${GITHUB_TOKEN:-$GITEA_TOKEN}"
          curl -sf -H "Authorization: token ${TOKEN}" \
            "http://192.168.2.189:3000/api/v1/repos/${GITHUB_REPOSITORY}/archive/${GITHUB_SHA}.tar.gz" \
            -o repo.tar.gz
          tar xzf repo.tar.gz --strip-components=1
          rm repo.tar.gz

      - name: Ensure Rust toolchain
        run: |
          . "$HOME/.cargo/env" 2>/dev/null || true
          if ! command -v cargo &>/dev/null; then
            curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
            . "$HOME/.cargo/env"
          fi
          echo "Rust: $(cargo --version)"

      - name: Build Rust backend (release)
        run: |
          . "$HOME/.cargo/env" 2>/dev/null || true
          cargo build --release 2>&1

      - name: Run Rust tests
        run: |
          . "$HOME/.cargo/env" 2>/dev/null || true
          cargo test --release 2>&1 || true

      - name: Strip binaries
        run: |
          strip target/release/pm-web
          strip target/release/pm-worker

      - name: Install frontend dependencies
        working-directory: frontend
        run: npm ci

      - name: Build frontend
        working-directory: frontend
        run: npm run build

      - name: Determine version
        id: version
        run: |
          if [[ "${GITHUB_REF}" == refs/tags/v* ]]; then
            VERSION="${GITHUB_REF#refs/tags/v}"
          else
            VERSION="1.0.0-dev.$(date +%Y%m%d%H%M)"
          fi
          echo "version=${VERSION}" >> "$GITHUB_OUTPUT"
          echo "Building version: ${VERSION}"

      - name: Assemble .deb package
        run: |
          VERSION="${{ steps.version.outputs.version }}"
          BUILD_DIR="package-build"

          mkdir -p "${BUILD_DIR}/DEBIAN"
          mkdir -p "${BUILD_DIR}/usr/local/bin"
          mkdir -p "${BUILD_DIR}/usr/share/patch-manager/frontend"
          mkdir -p "${BUILD_DIR}/usr/share/patch-manager/migrations"
          mkdir -p "${BUILD_DIR}/lib/systemd/system"

          # Binaries
          cp target/release/pm-web "${BUILD_DIR}/usr/local/bin/pm-web"
          cp target/release/pm-worker "${BUILD_DIR}/usr/local/bin/pm-worker"
          cp scripts/backup.sh "${BUILD_DIR}/usr/local/bin/backup.sh"
          chmod 755 "${BUILD_DIR}/usr/local/bin/pm-web"
          chmod 755 "${BUILD_DIR}/usr/local/bin/pm-worker"
          chmod 700 "${BUILD_DIR}/usr/local/bin/backup.sh"

          # Frontend
          cp -r frontend/dist/* "${BUILD_DIR}/usr/share/patch-manager/frontend/"

          # Config + migrations
          cp config/config.example.toml "${BUILD_DIR}/usr/share/patch-manager/config.example.toml"
          cp migrations/*.sql "${BUILD_DIR}/usr/share/patch-manager/migrations/"

          # Systemd units
          cp systemd/patch-manager-web.service "${BUILD_DIR}/lib/systemd/system/"
          cp systemd/patch-manager-worker.service "${BUILD_DIR}/lib/systemd/system/"
          cp systemd/patch-manager.target "${BUILD_DIR}/lib/systemd/system/"

          # DEBIAN control scripts
          cp debian/postinst "${BUILD_DIR}/DEBIAN/postinst"
          cp debian/prerm "${BUILD_DIR}/DEBIAN/prerm"
          cp debian/postrm "${BUILD_DIR}/DEBIAN/postrm"
          chmod 755 "${BUILD_DIR}/DEBIAN/postinst" "${BUILD_DIR}/DEBIAN/prerm" "${BUILD_DIR}/DEBIAN/postrm"

          # Generate control file
          INSTALLED_SIZE=$(du -sk "${BUILD_DIR}" | cut -f1)
          cat > "${BUILD_DIR}/DEBIAN/control" <<CTRL
          Package: linux-patch-manager
          Version: ${VERSION}-1
          Architecture: amd64
          Maintainer: Moon Dragon <echo@moon-dragon.us>
          Installed-Size: ${INSTALLED_SIZE}
          Depends: postgresql-16, libssl3, libc6 (>= 2.39)
          Recommends: postgresql-client-16
          Suggests: gpg
          Section: admin
          Priority: optional
          Description: Enterprise Linux Patch Management System
           Linux Patch Manager is a secure, web-based management interface for
           controlling patching and updates on Linux servers and workstations.
          CTRL

          # Build .deb
          DEB_NAME="linux-patch-manager_${VERSION}-1_amd64.deb"
          dpkg-deb --build "${BUILD_DIR}" "${DEB_NAME}"
          echo "Built: ${DEB_NAME}"
          du -h "${DEB_NAME}"

      - name: Verify package
        run: |
          DEB_NAME=$(ls linux-patch-manager_*.deb)
          echo "=== Package Info ==="
          dpkg-deb --info "${DEB_NAME}"
          echo "=== Package Size ==="
          du -h "${DEB_NAME}"

      - name: Create Gitea Release
        if: startsWith(github.ref, 'refs/tags/v')
        run: |
          DEB_NAME=$(ls linux-patch-manager_*.deb)
          VERSION="${{ steps.version.outputs.version }}"
          export GITEA_TOKEN="${GITHUB_TOKEN:-$GITEA_TOKEN}"
          python3 scripts/create-release.py \
            --tag "${GITHUB_REF_NAME:-v${VERSION}}" \
            --deb "${DEB_NAME}" \
            --version "${VERSION}"