name: Autobuild Check Logic Test

on:
  workflow_dispatch:

jobs:
  check_autobuild_logic:
    name: Check Autobuild Should Run Logic
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 2

      - name: Check if version or source changed, or assets already exist
        id: check
        run: |
          # # 仅用于测试逻辑，手动触发自动跳过
          # if [ "${{ github.event_name }}" == "workflow_dispatch" ]; then
          #   echo "should_run=skip" >> $GITHUB_OUTPUT
          #   echo "🟡 手动触发，跳过 should_run 检查"
          #   exit 0
          # fi

          # 确保有 HEAD~1
          if ! git rev-parse HEAD~1 > /dev/null 2>&1; then
            echo "should_run=true" >> $GITHUB_OUTPUT
            echo "🟢 没有前一个提交，默认需要构建"
            exit 0
          fi

          # 版本号变更判断
          CURRENT_VERSION=$(jq -r '.version' package.json)
          PREVIOUS_VERSION=$(git show HEAD~1:package.json | jq -r '.version' 2>/dev/null || echo "")

          if [ "$CURRENT_VERSION" != "$PREVIOUS_VERSION" ]; then
            echo "should_run=true" >> $GITHUB_OUTPUT
            echo "🟢 版本号变更: $PREVIOUS_VERSION → $CURRENT_VERSION"
            exit 0
          fi

          # 检查 src 变更（排除常见产物与缓存）
          SRC_DIFF=$(git diff --name-only HEAD~1 HEAD -- src/ | grep -Ev '^src/(dist|build|node_modules|\.next|\.cache)' || true)
          TAURI_DIFF=$(git diff --name-only HEAD~1 HEAD -- src-tauri/ | grep -Ev '^src-tauri/(target|node_modules|dist|\.cache)' || true)

          if [ -n "$SRC_DIFF" ] || [ -n "$TAURI_DIFF" ]; then
            echo "should_run=true" >> $GITHUB_OUTPUT
            echo "🟢 源码变更 detected"
            exit 0
          fi

          # 找到最后一个修改 Tauri 相关文件的 commit
          echo "🔍 查找最后一个 Tauri 相关变更的 commit..."

          LAST_TAURI_COMMIT=""
          for commit in $(git rev-list HEAD --max-count=50); do
            # 检查此 commit 是否修改了 Tauri 相关文件
            CHANGED_FILES=$(git show --name-only --pretty=format: $commit | tr '\n' ' ')
            HAS_TAURI_CHANGES=false
            
            # 检查各个模式
            if echo "$CHANGED_FILES" | grep -q "src/" && echo "$CHANGED_FILES" | grep -qvE "src/(dist|build|node_modules|\.next|\.cache)"; then
              HAS_TAURI_CHANGES=true
            elif echo "$CHANGED_FILES" | grep -qE "src-tauri/(src|Cargo\.(toml|lock)|tauri\..*\.conf\.json|build\.rs|capabilities)"; then
              HAS_TAURI_CHANGES=true
            fi
            
            if [ "$HAS_TAURI_CHANGES" = true ]; then
              LAST_TAURI_COMMIT=$(git rev-parse --short $commit)
              break
            fi
          done

          if [ -z "$LAST_TAURI_COMMIT" ]; then
            echo "⚠️  最近的 commits 中未找到 Tauri 相关变更，使用当前 commit"
            LAST_TAURI_COMMIT=$(git rev-parse --short HEAD)
          fi

          CURRENT_COMMIT=$(git rev-parse --short HEAD)
          echo "📝 最后 Tauri 相关 commit: $LAST_TAURI_COMMIT"
          echo "📝 当前 commit: $CURRENT_COMMIT"

          # 检查 autobuild release 是否存在
          AUTOBUILD_RELEASE_EXISTS=$(gh release view "autobuild" --json id -q '.id' 2>/dev/null || echo "")

          if [ -z "$AUTOBUILD_RELEASE_EXISTS" ]; then
            echo "should_run=true" >> $GITHUB_OUTPUT
            echo "🟢 没有 autobuild release，需构建"
          else
            # 检查 latest.json 是否存在
            LATEST_JSON_EXISTS=$(gh release view "autobuild" --json assets -q '.assets[] | select(.name == "latest.json") | .name' 2>/dev/null || echo "")
            
            if [ -z "$LATEST_JSON_EXISTS" ]; then
              echo "should_run=true" >> $GITHUB_OUTPUT
              echo "🟢 没有 latest.json，需构建"
            else
              # 下载并解析 latest.json 检查版本和 commit hash
              echo "📥 下载 latest.json 检查版本..."
              LATEST_JSON_URL=$(gh release view "autobuild" --json assets -q '.assets[] | select(.name == "latest.json") | .browser_download_url' 2>/dev/null)
              
              if [ -n "$LATEST_JSON_URL" ]; then
                LATEST_JSON_CONTENT=$(curl -s "$LATEST_JSON_URL" 2>/dev/null || echo "")
                
                if [ -n "$LATEST_JSON_CONTENT" ]; then
                  LATEST_VERSION=$(echo "$LATEST_JSON_CONTENT" | jq -r '.version' 2>/dev/null || echo "")
                  echo "📦 最新 autobuild 版本: $LATEST_VERSION"
                  
                  # 从版本字符串中提取 commit hash (格式: X.Y.Z+autobuild.MMDD.commit)
                  LATEST_COMMIT=$(echo "$LATEST_VERSION" | sed -n 's/.*+autobuild\.[0-9]\{4\}\.\([a-f0-9]*\)$/\1/p' || echo "")
                  echo "📝 最新 autobuild commit: $LATEST_COMMIT"
                  
                  if [ "$LAST_TAURI_COMMIT" != "$LATEST_COMMIT" ]; then
                    echo "should_run=true" >> $GITHUB_OUTPUT
                    echo "🟢 Tauri commit hash 不匹配 ($LAST_TAURI_COMMIT != $LATEST_COMMIT)，需构建"
                  else
                    echo "should_run=false" >> $GITHUB_OUTPUT
                    echo "🔴 相同 Tauri commit hash ($LAST_TAURI_COMMIT)，不需构建"
                  fi
                else
                  echo "should_run=true" >> $GITHUB_OUTPUT
                  echo "⚠️  无法下载或解析 latest.json，需构建"
                fi
              else
                echo "should_run=true" >> $GITHUB_OUTPUT
                echo "⚠️  无法获取 latest.json 下载 URL，需构建"
              fi
            fi
          fi

      - name: Output should_run result
        run: |
          echo "Result: ${{ steps.check.outputs.should_run }}"