name: Overlord Desktop Windows Release

on:
  push:
    branches: ["main"]
    paths:
      - "Overlord-Desktop/**"

jobs:
  build:
    runs-on: windows-latest
    permissions:
      contents: write

    defaults:
      run:
        working-directory: Overlord-Desktop

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2
        with:
          bun-version: latest

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

      - name: Cache Rust build
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: Overlord-Desktop/src-tauri -> target

      - name: Install Dependencies
        run: bun install

      - name: Vendor frontend assets
        run: bun run vendor

      - name: Get Version
        run: |
          $version = (Get-Content package.json | ConvertFrom-Json).version
          echo "VERSION=$version" >> $env:GITHUB_ENV
        shell: pwsh

      - name: Build Windows Installer (Tauri NSIS)
        run: bun run build:win

      - name: Locate NSIS Installer
        id: locate
        shell: pwsh
        run: |
          $nsis = Get-ChildItem -Path src-tauri\target\release\bundle\nsis\*.exe -ErrorAction Stop | Select-Object -First 1
          echo "INSTALLER=$($nsis.FullName)" >> $env:GITHUB_ENV
          echo "INSTALLER_NAME=$($nsis.Name)" >> $env:GITHUB_ENV

      - name: Upload Build Artifact
        uses: actions/upload-artifact@v4
        with:
          name: overlord-desktop-${{ env.VERSION }}
          path: ${{ env.INSTALLER }}

      - name: Delete Existing Release and Tag
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          # Look up the release by tag_name via the list endpoint (works even if the git tag is gone)
          RELEASE_ID=$(gh api /repos/${{ github.repository }}/releases \
            --jq '.[] | select(.tag_name == "Overlord-Desktop-v${{ env.VERSION }}") | .id' \
            2>/dev/null || true)
          if [ -n "$RELEASE_ID" ]; then
            gh api --method DELETE /repos/${{ github.repository }}/releases/$RELEASE_ID || true
          fi
          # Delete the git tag ref if it somehow still exists
          gh api --method DELETE /repos/${{ github.repository }}/git/refs/tags/Overlord-Desktop-v${{ env.VERSION }} 2>/dev/null || true
        shell: bash

      - name: Create and Push Tag
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git tag -f Overlord-Desktop-v${{ env.VERSION }}
          git push origin Overlord-Desktop-v${{ env.VERSION }} --force
        shell: bash

      - name: Create Release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh release create Overlord-Desktop-v${{ env.VERSION }} "${{ env.INSTALLER }}" "PLEASE_READ.txt" \
            --verify-tag \
            -t "Overlord Desktop v${{ env.VERSION }}" \
            -n "Automated build release for Overlord Desktop v${{ env.VERSION }}" \
            --draft=false \
            --prerelease=false
        shell: bash