name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches:
      - main
      - "v[0-9]*.[0-9]*.x" # Match version branches like v0.13.x, v1.0.x, etc.
  release:
    types: [created]

# Cancel previous runs on same PR
concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

env:
  CARGO_TERM_COLOR: always

jobs:
  pre-commit-checks:
    name: "Cargo fmt, typos"
    runs-on: self-hosted
    timeout-minutes: 30
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - uses: cachix/cachix-action@v16
        with:
          name: cashudevkit
          authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
          useDaemon: false
          installCommand: nix profile install nixpkgs#cachix
        continue-on-error: true
      - name: Cargo fmt
        run: nix develop -i -L .#stable --command cargo fmt --check
      - name: typos
        run: nix develop -i -L .#stable --command typos

  # Discover example checks from flake - single source of truth
  discover-examples:
    name: "Discover examples"
    runs-on: self-hosted
    timeout-minutes: 5
    outputs:
      examples: ${{ steps.examples.outputs.examples }}
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - name: Get example check names
        id: examples
        run: |
          # Get all example check names (prefixed with "example-")
          examples=$(nix eval .#checks.x86_64-linux --apply 'attrs: builtins.filter (n: builtins.substring 0 8 n == "example-") (builtins.attrNames attrs)' --json)
          echo "examples=$examples" >> $GITHUB_OUTPUT
          echo "Found examples: $examples"

  examples:
    name: "Example: ${{ matrix.example }}"
    runs-on: self-hosted
    timeout-minutes: 30
    needs: [pre-commit-checks, discover-examples]
    strategy:
      fail-fast: true
      matrix:
        example: ${{ fromJson(needs.discover-examples.outputs.examples) }}
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - uses: cachix/cachix-action@v16
        with:
          name: cashudevkit
          authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
          useDaemon: false
        continue-on-error: true
      - name: Build example
        run: nix build -L .#${{ matrix.example }}
      - name: Run example
        run: |
          # Extract binary name by removing "example-" prefix
          BINARY_NAME="${{ matrix.example }}"
          BINARY_NAME="${BINARY_NAME#example-}"
          ./result/bin/$BINARY_NAME

  # Discover clippy checks from flake - single source of truth
  discover-checks:
    name: "Discover clippy checks"
    runs-on: self-hosted
    timeout-minutes: 5
    outputs:
      checks: ${{ steps.checks.outputs.checks }}
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - name: Get clippy check names
        id: checks
        run: |
          # Get all check names except pre-commit-check, example-*, msrv-*, wasm-*, doc-tests, strict-docs, ffi-tests
          # Those have their own dedicated CI jobs
          checks=$(nix eval .#checks.x86_64-linux --apply 'attrs: builtins.filter (n: n != "pre-commit-check" && n != "doc-tests" && n != "strict-docs" && n != "ffi-tests" && builtins.substring 0 8 n != "example-" && builtins.substring 0 5 n != "msrv-" && builtins.substring 0 5 n != "wasm-") (builtins.attrNames attrs)' --json)
          echo "checks=$checks" >> $GITHUB_OUTPUT
          echo "Found checks: $checks"

  # Dynamic clippy matrix - uses cached deps from Cachix
  clippy:
    name: "Clippy: ${{ matrix.check }}"
    runs-on: self-hosted
    timeout-minutes: 30
    needs: [pre-commit-checks, discover-checks]
    strategy:
      fail-fast: false
      matrix:
        check: ${{ fromJson(needs.discover-checks.outputs.checks) }}
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - uses: cachix/cachix-action@v16
        with:
          name: cashudevkit
          authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
          useDaemon: false
        continue-on-error: true
      - name: Run clippy check
        run: nix build -L .#checks.x86_64-linux.${{ matrix.check }}

  # Run tests using nix develop (tests need to execute, not just build)
  tests:
    name: "Tests"
    runs-on: self-hosted
    timeout-minutes: 30
    needs: pre-commit-checks
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - uses: cachix/cachix-action@v16
        with:
          name: cashudevkit
          authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
          useDaemon: false
        continue-on-error: true
      - name: Run workspace tests
        run: nix develop -i -L .#stable --command bash -c "start-postgres && cargo test --workspace --exclude cdk-integration-tests"

  regtest-itest:
    name: "Integration regtest tests"
    runs-on: self-hosted
    timeout-minutes: 30
    needs: pre-commit-checks
    strategy:
      fail-fast: true
      matrix:
        database: [SQLITE, POSTGRES]
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - uses: cachix/cachix-action@v16
        with:
          name: cashudevkit
          authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
          useDaemon: false
        continue-on-error: true
      - name: Test
        run: nix develop -i -L .#stable --command just itest ${{ matrix.database }}

  fake-mint-itest:
    name: "Integration fake mint tests"
    runs-on: self-hosted
    timeout-minutes: 30
    needs: pre-commit-checks
    strategy:
      fail-fast: true
      matrix:
        build-args: [-p cdk-integration-tests]
        database: [SQLITE, POSTGRES]
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - uses: cachix/cachix-action@v16
        with:
          name: cashudevkit
          authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
          useDaemon: false
        continue-on-error: true
      - name: Test fake mint
        run: nix develop -i -L .#stable --command just fake-mint-itest ${{ matrix.database }}

  pure-itest:
    name: "Integration fake wallet tests"
    runs-on: self-hosted
    timeout-minutes: 30
    needs: pre-commit-checks
    strategy:
      fail-fast: true
      matrix:
        database: [memory, sqlite, redb]
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - uses: cachix/cachix-action@v16
        with:
          name: cashudevkit
          authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
          useDaemon: false
        continue-on-error: true
      - name: Test fake mint
        run: nix develop -i -L .#stable --command just test-pure ${{ matrix.database }}
      - name: Test mint with PostgreSQL
        run: nix develop -i -L .#stable --command bash -c "start-postgres && just test"

  payment-processor-itests:
    name: "Payment processor tests"
    runs-on: self-hosted
    timeout-minutes: 30
    needs: pre-commit-checks
    strategy:
      fail-fast: true
      matrix:
        ln: [FAKEWALLET, CLN, LND]
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - uses: cachix/cachix-action@v16
        with:
          name: cashudevkit
          authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
          useDaemon: false
        continue-on-error: true
      - name: Test
        run: nix develop -i -L .#stable --command just itest-payment-processor ${{matrix.ln}}

  # Discover MSRV checks from flake - single source of truth
  discover-msrv-checks:
    name: "Discover MSRV checks"
    runs-on: self-hosted
    timeout-minutes: 5
    outputs:
      checks: ${{ steps.checks.outputs.checks }}
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - name: Get MSRV check names
        id: checks
        run: |
          # Get all MSRV check names (prefixed with "msrv-")
          checks=$(nix eval .#checks.x86_64-linux --apply 'attrs: builtins.filter (n: builtins.substring 0 5 n == "msrv-") (builtins.attrNames attrs)' --json)
          echo "checks=$checks" >> $GITHUB_OUTPUT
          echo "Found MSRV checks: $checks"

  msrv-build:
    name: "MSRV: ${{ matrix.check }}"
    runs-on: self-hosted
    timeout-minutes: 30
    needs: [pre-commit-checks, discover-msrv-checks]
    strategy:
      fail-fast: true
      matrix:
        check: ${{ fromJson(needs.discover-msrv-checks.outputs.checks) }}
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - uses: cachix/cachix-action@v16
        with:
          name: cashudevkit
          authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
          useDaemon: false
        continue-on-error: true
      - name: Build
        run: nix build -L .#checks.x86_64-linux.${{ matrix.check }}

  # Discover WASM checks from flake - single source of truth
  discover-wasm-checks:
    name: "Discover WASM checks"
    runs-on: self-hosted
    timeout-minutes: 5
    outputs:
      checks: ${{ steps.checks.outputs.checks }}
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - name: Get WASM check names
        id: checks
        run: |
          # Get all WASM check names (prefixed with "wasm-")
          checks=$(nix eval .#checks.x86_64-linux --apply 'attrs: builtins.filter (n: builtins.substring 0 5 n == "wasm-") (builtins.attrNames attrs)' --json)
          echo "checks=$checks" >> $GITHUB_OUTPUT
          echo "Found WASM checks: $checks"

  check-wasm:
    name: "WASM: ${{ matrix.check }}"
    runs-on: self-hosted
    timeout-minutes: 30
    needs: [pre-commit-checks, discover-wasm-checks]
    strategy:
      fail-fast: true
      matrix:
        check: ${{ fromJson(needs.discover-wasm-checks.outputs.checks) }}
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - uses: cachix/cachix-action@v16
        with:
          name: cashudevkit
          authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
          useDaemon: false
        continue-on-error: true
      - name: Build WASM
        run: nix build -L .#checks.x86_64-linux.${{ matrix.check }}

  fake-mint-auth-itest:
    name: "Integration fake mint auth tests"
    runs-on: self-hosted
    timeout-minutes: 30
    needs: pre-commit-checks
    strategy:
      fail-fast: true
      matrix:
        database: [SQLITE]
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - uses: cachix/cachix-action@v16
        with:
          name: cashudevkit
          authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
          useDaemon: false
        continue-on-error: true
      - name: Start Keycloak with Backup
        run: |
          docker compose -f misc/keycloak/docker-compose-recover.yml up -d
          until docker logs $(docker ps -q --filter "ancestor=quay.io/keycloak/keycloak:25.0.6") | grep "Keycloak 25.0.6 on JVM (powered by Quarkus 3.8.5) started"; do sleep 1; done
      - name: Verify Keycloak Import
        run: |
          # Wait a bit more for import to complete
          sleep 5
          # Check if the realm endpoint is accessible (better verification than log grep)
          curl -f -s http://127.0.0.1:8080/realms/cdk-test-realm/.well-known/openid-configuration > /dev/null && echo "Keycloak realm successfully imported" || (docker logs $(docker ps -q --filter "ancestor=quay.io/keycloak/keycloak:25.0.6") && exit 1)
      - name: Test fake auth mint
        run: nix develop -i -L .#stable --command just fake-auth-mint-itest ${{ matrix.database }} http://127.0.0.1:8080/realms/cdk-test-realm/.well-known/openid-configuration
      - name: Stop and clean up Docker Compose
        run: |
          docker compose -f misc/keycloak/docker-compose-recover.yml down

  docs:
    name: "Documentation tests"
    runs-on: self-hosted
    timeout-minutes: 30
    needs: pre-commit-checks
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - uses: cachix/cachix-action@v16
        with:
          name: cashudevkit
          authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
          useDaemon: false
        continue-on-error: true
      - name: Run doc tests
        run: nix build -L .#checks.x86_64-linux.doc-tests

  strict-docs:
    name: "Strict Documentation Check"
    runs-on: self-hosted
    timeout-minutes: 30
    needs: docs
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - uses: cachix/cachix-action@v16
        with:
          name: cashudevkit
          authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
          useDaemon: false
        continue-on-error: true
      - name: Check docs with strict warnings
        run: nix build -L .#checks.x86_64-linux.strict-docs

  ffi-tests:
    name: "FFI Python tests"
    runs-on: self-hosted
    timeout-minutes: 30
    needs: pre-commit-checks
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - uses: cachix/cachix-action@v16
        with:
          name: cashudevkit
          authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
          useDaemon: false
        continue-on-error: true
      - name: Run FFI tests
        run: nix build -L .#checks.x86_64-linux.ffi-tests