# Build Stage
FROM 192.168.1.154:31010/docker/alpine:latest AS builder

WORKDIR /app

# Install Go with verbose logging
RUN echo "🔧 ===== 安装Go环境 =====" && \
    echo "📦 更新Alpine包索引..." && \
    apk update && \
    echo "📦 安装Go语言环境..." && \
    apk add --no-cache go && \
    echo "✅ Go安装完成" && \
    go version && \
    echo "📋 Go环境信息:" && \
    which go && \
    go env GOOS GOARCH GOVERSION

# Configure Go proxy for faster downloads
ENV GOPROXY=https://goproxy.cn,direct
ENV GOSUMDB=sum.golang.google.cn

RUN echo "🔧 ===== 配置Go代理 =====" && \
    echo "📡 Go代理配置:" && \
    go env GOPROXY && \
    go env GOSUMDB

# Copy go mod and sum files with logging
RUN echo "🔧 ===== 复制依赖文件 =====" && \
    echo "📄 复制go.mod和go.sum..."

COPY go.mod go.sum ./

RUN echo "📋 依赖文件内容:" && \
    echo "--- go.mod ---" && \
    head -20 go.mod && \
    echo "--- go.sum ---" && \
    wc -l go.sum && \
    echo "📦 总依赖数: $(cat go.sum | wc -l)"

# Download all dependencies with verbose logging
RUN echo "🔧 ===== 下载Go依赖 =====" && \
    echo "⬇️  开始下载依赖包..." && \
    go mod download -x && \
    echo "✅ 依赖下载完成" && \
    go mod verify && \
    echo "✅ 依赖验证完成" && \
    echo "📋 下载的模块:" && \
    go mod why -m all

# Copy the source code with logging
RUN echo "🔧 ===== 复制源代码 =====" && \
    echo "📁 项目结构:" && \
    find . -type f -name "*.go" | head -10

COPY . .

RUN echo "📋 复制完成后的目录结构:" && \
    ls -la && \
    echo "📊 源代码统计:" && \
    find . -name "*.go" | wc -l && \
    echo "   Go文件数量: $(find . -name "*.go" | wc -l)"

# Build the Go app with detailed logging
RUN echo "🔧 ===== 编译Go应用 =====" && \
    echo "🏗️  开始编译..." && \
    echo "📋 编译信息:" && \
    echo "   - 工作目录: $(pwd)" && \
    echo "   - Go版本: $(go version)" && \
    echo "   - 目标: ./cmd/server" && \
    echo "🏗️  执行编译命令..." && \
    go build -v -o server ./cmd/server && \
    echo "✅ 编译完成" && \
    echo "📋 编译产物信息:" && \
    ls -la server && \
    file server && \
    echo "📏 二进制大小: $(ls -lh server | awk '{print $5}')" && \
    echo "🔍 可执行文件测试:" && \
    ./server --version 2>/dev/null || echo "   (应用不支持--version参数)"

# Run Stage
FROM 192.168.1.154:31010/docker/alpine:latest

WORKDIR /app

RUN echo "🔧 ===== 运行时环境准备 =====" && \
    echo "📋 运行时环境信息:" && \
    echo "   - 工作目录: $(pwd)" && \
    echo "   - 用户: $(whoami)" && \
    echo "   - 系统信息: $(uname -a)" && \
    echo "📋 安装运行时工具..." && \
    apk add --no-cache wget file && \
    echo "✅ 运行时环境准备完成"

# Copy the Pre-built binary from the previous stage with logging
RUN echo "📦 ===== 复制构建产物 =====" && \
    echo "🔄 从构建阶段复制二进制文件..."

COPY --from=builder /app/server .

RUN echo "✅ 二进制文件复制完成" && \
    ls -la server && \
    file server && \
    echo "🔍 测试二进制文件..." && \
    chmod +x server

# Copy web resources with logging
RUN echo "📦 ===== 复制Web资源 =====" && \
    echo "🌐 复制web前端文件..."

COPY --from=builder /app/web ./web

RUN echo "✅ Web资源复制完成" && \
    echo "📁 Web目录结构:" && \
    (test -d web && (find web -type f | head -10) || echo "   Web目录不存在")

# Copy docs with logging
RUN echo "📦 ===== 复制文档文件 =====" && \
    echo "📚 复制API文档..."

COPY --from=builder /app/docs ./docs

RUN echo "✅ 文档复制完成" && \
    echo "📁 文档目录结构:" && \
    (test -d docs && (find docs -type f | head -5) || echo "   文档目录不存在")

RUN echo "📋 最终运行环境文件列表:" && \
    ls -la && \
    echo "📊 目录大小统计:" && \
    du -sh * 2>/dev/null || echo "   无法获取大小信息"

# Expose port 8080 to the outside world
EXPOSE 8080

# Add health check
RUN echo "🏥 ===== 配置健康检查 =====" && \
    echo "📋 健康检查配置:" && \
    echo "   - 端口: 8080" && \
    echo "   - 路径: /swagger/index.html"

HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://localhost:8080/swagger/index.html || exit 1

# Command to run the executable with startup logging
CMD echo "🚀 ===== 启动文件系统服务 =====" && \
    echo "📋 启动信息:" && \
    echo "   - 工作目录: $(pwd)" && \
    echo "   - 可执行文件: $(ls -la server)" && \
    echo "   - 端口: 8080" && \
    echo "   - 启动时间: $(date)" && \
    echo "🌐 服务即将启动..." && \
    echo "📖 API文档地址: http://localhost:8080/swagger/index.html" && \
    echo "📱 Web界面地址: http://localhost:8080/web" && \
    echo "🚀 ===== 开始运行服务 =====" && \
    ./server