name: Rust CI

on:
  push:
    branches: [ main, master ]
  pull_request:
    branches: [ main, master ]
  workflow_dispatch:  # Allow manual triggering

env:
  CARGO_TERM_COLOR: always
  RUSTFLAGS: "-D warnings"  # Treat warnings as errors

jobs:
  # Check code formatting
  format:
    name: Format
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Setup Rust
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true
          components: rustfmt
      - name: Check formatting
        run: cargo run -p xtask -- fmt

  # Run clippy for linting
  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Setup Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          components: clippy
      - name: Cache dependencies
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-clippy-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: ${{ runner.os }}-clippy-
      - name: Run clippy
        run: cargo run -p xtask -- clippy

  # Build the project
  build:
    name: Build
    needs: [format, clippy]
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest]
        rust: [stable]
    steps:
      - uses: actions/checkout@v4
      - name: Setup Rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.rust }}
      - name: Cache dependencies
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: ${{ runner.os }}-cargo-
      - name: Build
        run: cargo run -p xtask -- build
      - name: Build release
        run: cargo run -p xtask -- build -r
      - name: Upload build artifacts
        uses: actions/upload-artifact@v4
        with:
          name: ips-binaries-${{ matrix.os }}
          path: target/release/
          retention-days: 1

  # Run unit tests
  test:
    name: Test
    needs: [build]
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest]
        rust: [stable]
    steps:
      - uses: actions/checkout@v4
      - name: Setup Rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.rust }}
      - name: Cache dependencies
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: ${{ runner.os }}-cargo-
      - name: Run tests
        run: cargo run -p xtask -- test

  # Run end-to-end tests
  e2e-test:
    name: End-to-End Tests
    needs: [build]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Setup Rust
        uses: dtolnay/rust-toolchain@stable
      - name: Cache dependencies
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: ${{ runner.os }}-cargo-
      - name: Build E2E test binaries
        run: cargo run -p xtask -- build-e2e
      - name: Run E2E tests
        run: cargo run -p xtask -- run-e2e

  # Build documentation
  docs:
    name: Documentation
    needs: [test, e2e-test]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Setup Rust
        uses: dtolnay/rust-toolchain@stable
      - name: Cache dependencies
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: ${{ runner.os }}-cargo-
      - name: Build documentation
        run: cargo doc --no-deps
      - name: Upload documentation
        uses: actions/upload-artifact@v4
        with:
          name: rust-docs
          path: target/doc
          retention-days: 7