name: Release

# Tag pushes mirrored from Gitea (git.jezz.wtf) trigger this on the GitHub
# mirror. Builds the NSIS installer and attaches it to a DRAFT GitHub Release —
# review and publish manually.
on:
  push:
    tags:
      - 'v*'
  workflow_dispatch:
    inputs:
      tag:
        description: 'Existing release tag to build, for example v0.1.1'
        required: true
        type: string

concurrency:
  group: ${{ github.workflow }}-${{ github.event_name == 'workflow_dispatch' && inputs.tag || github.ref_name }}
  cancel-in-progress: false

jobs:
  release:
    permissions:
      contents: write
    runs-on: windows-latest
    timeout-minutes: 120
    env:
      CARGO_INCREMENTAL: 0
      GITEA_STATUS_TOKEN: ${{ secrets.GITEA_STATUS_TOKEN }}
      RELEASE_TAG: ${{ github.event_name == 'workflow_dispatch' && inputs.tag || github.ref_name }}
    steps:
      # refs/tags/ qualification: a branch with a tag-like name must never win
      # ref resolution. Works for tag pushes too — RELEASE_TAG is the tag name.
      - uses: actions/checkout@v4
        with:
          ref: refs/tags/${{ env.RELEASE_TAG }}

      # On workflow_dispatch GITHUB_SHA is the dispatched branch head, not the
      # tag's commit — resolve the real one for Gitea commit statuses.
      - name: Resolve release commit
        shell: pwsh
        run: |
          $sha = git rev-parse HEAD
          "RELEASE_SHA=$sha" | Out-File -FilePath $env:GITHUB_ENV -Append

      - name: Verify release version
        shell: pwsh
        run: |
          if ($env:RELEASE_TAG -notmatch '^v\d+\.\d+\.\d+(-.+)?$') {
            throw "Release tag '$env:RELEASE_TAG' must look like v0.1.1"
          }

          $packageVersion = (Get-Content package.json -Raw | ConvertFrom-Json).version
          $cargoVersion = (Select-String -Path src-tauri/Cargo.toml -Pattern '^version\s*=\s*"(.+)"').Matches[0].Groups[1].Value

          if ($packageVersion -ne $cargoVersion) {
            throw "package.json version ($packageVersion) does not match Cargo.toml version ($cargoVersion)"
          }

          if ($env:RELEASE_TAG -ne "v$packageVersion") {
            throw "Release tag '$env:RELEASE_TAG' does not match project version v$packageVersion"
          }

      - name: Report pending status to Gitea
        if: env.GITEA_STATUS_TOKEN != ''
        continue-on-error: true
        shell: pwsh
        env:
          GITHUB_RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
        run: |
          $headers = @{
            Authorization = "token $env:GITEA_STATUS_TOKEN"
            Accept = "application/json"
          }
          $body = @{
            state = "pending"
            context = "github/actions/release"
            description = "GitHub Actions release is running"
            target_url = $env:GITHUB_RUN_URL
          } | ConvertTo-Json
          Invoke-RestMethod `
            -Method Post `
            -Uri "https://git.jezz.wtf/api/v1/repos/JezzWTF/phokus/statuses/$env:RELEASE_SHA" `
            -Headers $headers `
            -ContentType "application/json" `
            -Body $body

      - uses: pnpm/action-setup@v4
        with:
          version: 11

      - uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: pnpm
          cache-dependency-path: pnpm-lock.yaml

      - name: Install Rust stable
        uses: dtolnay/rust-toolchain@stable

      - uses: Swatinem/rust-cache@v2
        with:
          workspaces: src-tauri

      - name: Install frontend dependencies
        run: pnpm install --frozen-lockfile

      - name: Build and create draft release
        uses: tauri-apps/tauri-action@v0.6.2
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          # Updater artifact signing (Phase 3) — set these repo secrets once
          # the updater keypair exists; empty values are ignored until then.
          TAURI_SIGNING_PRIVATE_KEY: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY }}
          TAURI_SIGNING_PRIVATE_KEY_PASSWORD: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY_PASSWORD }}
        with:
          tagName: ${{ env.RELEASE_TAG }}
          releaseName: 'Phokus v__VERSION__'
          releaseBody: 'See the assets below to download and install this version.'
          releaseDraft: true
          prerelease: false
          includeUpdaterJson: true
          updaterJsonPreferNsis: true
          # Cargo args after `--`: ship the CPU/DirectML build — default
          # features enable candle-cuda, which runners (and most users) lack.
          args: '-- --no-default-features'

      - name: Report final status to Gitea
        if: always() && env.GITEA_STATUS_TOKEN != ''
        continue-on-error: true
        shell: pwsh
        env:
          GITHUB_RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
          JOB_STATUS: ${{ job.status }}
        run: |
          $state = switch ($env:JOB_STATUS) {
            "success" { "success" }
            "failure" { "failure" }
            default { "error" }
          }
          $headers = @{
            Authorization = "token $env:GITEA_STATUS_TOKEN"
            Accept = "application/json"
          }
          $body = @{
            state = $state
            context = "github/actions/release"
            description = "GitHub Actions release finished: $env:JOB_STATUS"
            target_url = $env:GITHUB_RUN_URL
          } | ConvertTo-Json
          # RELEASE_SHA is unset if the job died before checkout; fall back.
          $sha = if ($env:RELEASE_SHA) { $env:RELEASE_SHA } else { $env:GITHUB_SHA }
          Invoke-RestMethod `
            -Method Post `
            -Uri "https://git.jezz.wtf/api/v1/repos/JezzWTF/phokus/statuses/$sha" `
            -Headers $headers `
            -ContentType "application/json" `
            -Body $body