name: Check Commit Needs Build

on:
  workflow_dispatch:
    inputs:
      tag_name:
        description: "Release tag name to check against (default: autobuild)"
        required: false
        default: "autobuild"
        type: string
      force_build:
        description: "Force build regardless of checks"
        required: false
        default: false
        type: boolean
  workflow_call:
    inputs:
      tag_name:
        description: "Release tag name to check against (default: autobuild)"
        required: false
        default: "autobuild"
        type: string
      force_build:
        description: "Force build regardless of checks"
        required: false
        default: false
        type: boolean
    outputs:
      should_run:
        description: "Whether the build should run"
        value: ${{ jobs.check_commit.outputs.should_run }}
      last_tauri_commit:
        description: "The last commit hash with Tauri-related changes"
        value: ${{ jobs.check_commit.outputs.last_tauri_commit }}
      autobuild_version:
        description: "The generated autobuild version string"
        value: ${{ jobs.check_commit.outputs.autobuild_version }}

permissions:
  contents: read
  actions: read

env:
  TAG_NAME: ${{ inputs.tag_name || 'autobuild' }}

jobs:
  check_commit:
    name: Check Commit Needs Build
    runs-on: ubuntu-latest
    outputs:
      should_run: ${{ steps.check.outputs.should_run }}
      last_tauri_commit: ${{ steps.check.outputs.last_tauri_commit }}
      autobuild_version: ${{ steps.check.outputs.autobuild_version }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 50

      - name: Check if version changed or src changed
        id: check
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          # Force build if requested
          if [ "${{ inputs.force_build }}" == "true" ]; then
            echo "🚀 Force build requested"
            echo "should_run=true" >> $GITHUB_OUTPUT
            exit 0
          fi

          CURRENT_VERSION=$(cat package.json | jq -r '.version')
          echo "📦 Current version: $CURRENT_VERSION"

          git checkout HEAD~1 package.json
          PREVIOUS_VERSION=$(cat package.json | jq -r '.version')
          echo "📦 Previous version: $PREVIOUS_VERSION"

          git checkout HEAD package.json

          if [ "$CURRENT_VERSION" != "$PREVIOUS_VERSION" ]; then
            echo "✅ Version changed from $PREVIOUS_VERSION to $CURRENT_VERSION"
            echo "should_run=true" >> $GITHUB_OUTPUT
            exit 0
          fi

          # Use get_latest_tauri_commit.bash to find the latest Tauri-related commit
          echo "🔍 Finding last commit with Tauri-related changes using script..."

          # Make script executable
          chmod +x scripts-workflow/get_latest_tauri_commit.bash

          # Get the latest Tauri-related commit hash (full hash)
          LAST_TAURI_COMMIT_FULL=$(./scripts-workflow/get_latest_tauri_commit.bash)
          if [[ $? -ne 0 ]] || [[ -z "$LAST_TAURI_COMMIT_FULL" ]]; then
            echo "❌ Failed to get Tauri-related commit, using current commit"
            LAST_TAURI_COMMIT_FULL=$(git rev-parse HEAD)
          fi

          # Get short hash for display and version tagging
          LAST_TAURI_COMMIT=$(git rev-parse --short "$LAST_TAURI_COMMIT_FULL")

          echo "📝 Last Tauri-related commit: $LAST_TAURI_COMMIT"

          # Generate autobuild version using autobuild-latest format
          CURRENT_BASE_VERSION=$(echo "$CURRENT_VERSION" | sed -E 's/-(alpha|beta|rc)(\.[0-9]+)?//g' | sed -E 's/\+[a-zA-Z0-9.-]+//g')
          MONTH=$(TZ=Asia/Shanghai date +%m)
          DAY=$(TZ=Asia/Shanghai date +%d)
          AUTOBUILD_VERSION="${CURRENT_BASE_VERSION}+autobuild.${MONTH}${DAY}.${LAST_TAURI_COMMIT}"

          echo "🏷️  Autobuild version: $AUTOBUILD_VERSION"
          echo "📝 Last Tauri commit: $LAST_TAURI_COMMIT"

          # Set outputs for other jobs to use
          echo "last_tauri_commit=$LAST_TAURI_COMMIT" >> $GITHUB_OUTPUT
          echo "autobuild_version=$AUTOBUILD_VERSION" >> $GITHUB_OUTPUT

          # Check if autobuild release exists
          echo "🔍 Checking autobuild release and latest.json..."
          AUTOBUILD_RELEASE_EXISTS=$(gh release view "${{ env.TAG_NAME }}" --json id -q '.id' 2>/dev/null || echo "")

          if [ -z "$AUTOBUILD_RELEASE_EXISTS" ]; then
            echo "✅ No autobuild release exists, build needed"
            echo "should_run=true" >> $GITHUB_OUTPUT
          else
            # Check if latest.json exists in the release
            LATEST_JSON_EXISTS=$(gh release view "${{ env.TAG_NAME }}" --json assets -q '.assets[] | select(.name == "latest.json") | .name' 2>/dev/null || echo "")
            
            if [ -z "$LATEST_JSON_EXISTS" ]; then
              echo "✅ No latest.json found in autobuild release, build needed"
              echo "should_run=true" >> $GITHUB_OUTPUT
            else
              # Download and parse latest.json to check version and commit hash
              echo "📥 Downloading latest.json to check version..."
              LATEST_JSON_URL="https://github.com/clash-verge-rev/clash-verge-rev/releases/download/autobuild/latest.json"
              
              LATEST_JSON_CONTENT=$(curl -sL "$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 "📦 Latest autobuild version: $LATEST_VERSION"
                
                # Extract commit hash from version string (format: 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 "📝 Latest autobuild commit: $LATEST_COMMIT"
                
                if [ "$LAST_TAURI_COMMIT" != "$LATEST_COMMIT" ]; then
                  echo "✅ Tauri commit hash mismatch ($LAST_TAURI_COMMIT != $LATEST_COMMIT), build needed"
                  echo "should_run=true" >> $GITHUB_OUTPUT
                else
                  echo "❌ Same Tauri commit hash ($LAST_TAURI_COMMIT), no build needed"
                  echo "should_run=false" >> $GITHUB_OUTPUT
                fi
              else
                echo "⚠️  Failed to download or parse latest.json, build needed"
                echo "should_run=true" >> $GITHUB_OUTPUT
              fi
            fi
          fi