name: Build Any Repository Docker Image

on:
  workflow_dispatch:
    inputs:
      repo_url:
        description: '要构建的仓库地址（支持相对路径如：xc-workflows/engine-demo，或完整 URL 如：https://dev.modelhub.org.cn/xc-workflows/engine-demo）'
        required: true
        type: string
      ref:
        description: '分支/tag/commit'
        required: true
        default: 'main'
        type: string
      dry_run:
        description: '仅构建不推送'
        required: false
        default: 'true'
        type: choice
        options:
          - 'true'
          - 'false'

jobs:
  build:
    runs-on: amd64-ubuntu-24.04

    steps:
      - name: Debug URL info
        run: |
          echo "Server URL: ${{ gitea.server_url }}"
          echo "Repo URL input: ${{ github.event.inputs.repo_url }}"
          echo "Ref: ${{ github.event.inputs.ref }}"
          echo "Dry run: ${{ github.event.inputs.dry_run }}"

      - name: Clone target repository
        run: |
          REPO_URL="${{ github.event.inputs.repo_url }}"

          # 判断是否完整 URL
          if [[ "$REPO_URL" == http://* || "$REPO_URL" == https://* ]]; then
            CLONE_URL="$REPO_URL"
            # 如果没有 .git 后缀，加上
            [[ "$CLONE_URL" != *.git ]] && CLONE_URL="${CLONE_URL}.git"
            # 提取路径部分用于生成镜像名
            REPO_PATH="$(echo "$REPO_URL" | sed 's|https\?://[^/]*/||' | sed 's|\.git$||')"
          else
            # 拼接完整的 clone URL（gitea.server_url 已包含协议）
            CLONE_URL="${{ gitea.server_url }}/$REPO_URL.git"
            REPO_PATH="$REPO_URL"
          fi

          echo "正在克隆: $CLONE_URL"
          
          git clone "$CLONE_URL" target_repo
          cd target_repo
          git checkout "${{ github.event.inputs.ref }}"
          
          # 保存仓库信息供后续步骤使用
          echo "TARGET_REPO_PATH=$(pwd)" >> "$GITEA_ENV"
          echo "TARGET_REPO_NAME=$(basename "$REPO_PATH")" >> "$GITEA_ENV"
          echo "REPO_PATH=$REPO_PATH" >> "$GITEA_ENV"
          echo "克隆完成，当前目录: $(pwd)"

      - name: Set image metadata
        run: |
          cd target_repo
          
          # 生成镜像名称（将仓库路径中的 / 替换为 -）
          IMAGE_NAME="$(echo "$REPO_PATH" | tr '[:upper:]' '[:lower:]' | tr '/' '-')"
          SAFE_TAG=$(echo "${{ github.event.inputs.ref }}" | sed 's/\//-/g')
          IMAGE="${DOCKER_REGISTRY}/${DOCKER_USERNAME}/${IMAGE_NAME}:${SAFE_TAG}"
          
          echo "IMAGE_NAME=${IMAGE_NAME}" >> "$GITEA_ENV"
          echo "IMAGE=${IMAGE}" >> "$GITEA_ENV"
          echo "SAFE_TAG=${SAFE_TAG}" >> "$GITEA_ENV"
          echo "镜像名称: ${IMAGE}"

      - name: Check Dockerfile exists
        run: |
          cd target_repo
          if [ ! -f "Dockerfile" ]; then
            echo "错误: 仓库根目录下未找到 Dockerfile"
            exit 1
          fi
          echo "Dockerfile 存在"

      - name: Login to Docker Registry
        if: github.event.inputs.dry_run != 'true'
        run: |
          echo "$DOCKER_PASSWORD" | docker login "$DOCKER_REGISTRY" \
            -u "$DOCKER_USERNAME" \
            --password-stdin
          echo "Docker 登录成功"

      - name: Build Docker Image
        run: |
          cd target_repo
          echo "开始构建镜像: ${IMAGE}"
          docker build -t "${IMAGE}" .
          echo "镜像构建完成"

      - name: List built image
        run: |
          docker images | grep "${IMAGE_NAME}" || echo "镜像列表查看完成"

      - name: Push Docker Image
        if: github.event.inputs.dry_run != 'true'
        run: |
          for attempt in 1 2 3; do
            echo "Starting docker push attempt ${attempt}/3 for ${IMAGE}"
            
            if docker push "${IMAGE}"; then
              echo "docker push completed successfully"
              exit 0
            fi
            
            echo "docker push failed on attempt ${attempt}/3"
            if [ $attempt -lt 3 ]; then
              echo "等待 30 秒后重试..."
              sleep 30
            fi
          done
          
          echo "docker push failed after 3 attempts"
          exit 1

      - name: Dry Run Summary
        if: github.event.inputs.dry_run == 'true'
        run: |
          echo "=========================================="
          echo "✅ 仅构建模式完成（未推送）"
          echo "=========================================="
          echo "源仓库: ${{ github.event.inputs.repo_url }}"
          echo "分支/Tag: ${{ github.event.inputs.ref }}"
          echo "镜像名称: ${IMAGE}"
          echo "镜像标签: ${SAFE_TAG}"
          echo "=========================================="
          echo "如需完整发布（推送镜像），请使用 dry_run=false 重新触发"

      - name: Full Build Summary
        if: github.event.inputs.dry_run != 'true'
        run: |
          echo "=========================================="
          echo "✅ 完整构建完成（已推送）"
          echo "=========================================="
          echo "源仓库: ${{ github.event.inputs.repo_url }}"
          echo "分支/Tag: ${{ github.event.inputs.ref }}"
          echo "镜像名称: ${IMAGE}"
          echo "镜像标签: ${SAFE_TAG}"
          echo "=========================================="