#!/usr/bin/env bash
set -e

# ===== 斗鱼批量登录 Docker 部署脚本 =====

ROOT_DIR="$(cd "$(dirname "$0")" && pwd)"
cd "$ROOT_DIR"

if [ -f "$ROOT_DIR/.env" ]; then
    set -a
    # shellcheck disable=SC1091
    source "$ROOT_DIR/.env"
    set +a
fi

APP_PORT="${APP_PORT:-8000}"

# ── 工具函数 ──────────────────────────────────────────────

detect_compose() {
    if docker compose version &> /dev/null; then
        echo "docker compose"
    elif command -v docker-compose &> /dev/null; then
        echo "docker-compose"
    else
        echo ""
    fi
}

# ── 子命令 ──────────────────────────────────────────────

cmd_deploy() {
    echo ""
    echo "=============================="
    echo "  斗鱼批量登录 - Docker 部署"
    echo "=============================="

    if ! command -v docker &> /dev/null; then
        echo "❌ 未安装 Docker，请先安装："
        echo "   curl -fsSL https://get.docker.com | sh"
        exit 1
    fi

    COMPOSE=$(detect_compose)
    if [ -z "$COMPOSE" ]; then
        echo "❌ 未安装 docker compose，请先安装 Docker Compose"
        exit 1
    fi

    echo "  使用: $COMPOSE"
    echo ""

    if [ -z "${YYB_WORKER_KEY:-}" ]; then
        echo "❌ 请先在 .env 中设置 YYB_WORKER_KEY"
        exit 1
    fi

    if ! $COMPOSE config --quiet; then
        echo "❌ Docker Compose 配置无效，请检查 .env 中的必填变量"
        exit 1
    fi

    # 创建数据和日志目录
    mkdir -p data logs

    # 构建并启动
    echo "正在构建应用镜像（首次构建约3-5分钟）..."
    # 生产部署不构建含大型开发依赖的 test 镜像；测试镜像仅在本地按需构建。
    $COMPOSE build douyu-login

    echo ""
    echo "正在启动服务..."
    # 重新创建应用容器，确保生产环境不会沿用旧的 reload 配置。
    $COMPOSE up -d --force-recreate

    echo ""
    echo "等待服务启动..."

    # 健康检查
    for i in $(seq 1 15); do
        if curl -s "http://localhost:${APP_PORT}/api/health" | grep -q "ok" 2>/dev/null; then
            echo ""
            echo "=============================="
            echo "  ✅ 部署成功！"
            echo "=============================="
            echo "  访问地址: http://localhost:${APP_PORT}"
            echo "  默认账号见环境变量 ADMIN_USERNAME/ADMIN_PASSWORD（未设置则为 admin/admin123）"
            echo ""
            echo "  查看应用日志: ./deploy.sh logs"
            echo "  查看容器输出: ./deploy.sh logs container"
            echo "  停止服务: $COMPOSE down"
            echo "  重启服务: $COMPOSE restart"
            echo "  重置数据: ./deploy.sh reset"
            echo "=============================="
            exit 0
        fi
        echo "  等待中... ($i/15)"
        sleep 2
    done

    echo ""
    echo "❌ 服务启动超时，查看日志："
    $COMPOSE logs --tail 30
    exit 1
}

cmd_reset() {
    echo ""
    echo "=============================="
    echo "  ⚠️  重置所有数据"
    echo "=============================="
    echo ""
    echo "  将删除以下内容："
    echo "    • MySQL 数据卷"
    echo "    • 应用宝 Worker 任务数据（扫码会话、二维码和订单记录）"
    echo "    • 历史Cookie (data/cookies/)"
    echo "    • 应用日志 (logs/)"
    echo "    • Docker容器和镜像"
    echo ""

    # 交互确认
    read -rp "  确认删除所有数据？输入 YES 继续: " confirm
    if [ "$confirm" != "YES" ]; then
        echo "  已取消"
        exit 0
    fi

    COMPOSE=$(detect_compose)

    # 停止并删除容器
    if [ -n "$COMPOSE" ]; then
        echo "  停止并删除容器..."
        $COMPOSE down --volumes --rmi local 2>/dev/null || $COMPOSE down --volumes 2>/dev/null || true
    fi

    # 删除数据文件
    echo "  删除旧 SQLite 数据..."
    rm -rf data/web.db data/web.db-shm data/web.db-wal

    echo "  删除Cookie..."
    rm -rf data/cookies/

    echo "  删除应用宝 Worker 任务..."
    rm -rf data/yyb-worker-jobs/ data/yyb-worker-dev/

    echo "  删除日志..."
    rm -rf logs/*.log

    # 删除其他临时文件
    rm -rf data/accounts.json data/gui_state.json data/app.db 2>/dev/null || true

    echo ""
    echo "=============================="
    echo "  ✅ 数据已重置"
    echo "=============================="
    echo "  运行 ./deploy.sh 重新部署"
    echo "=============================="
}

cmd_logs() {
    local mode="${1:-app}"
    if [ "$mode" = "app" ]; then
        local app_log
        app_log="$ROOT_DIR/logs/app-$(date '+%Y-%m-%d').log"
        mkdir -p "$ROOT_DIR/logs"
        echo "跟踪应用文件日志: ${app_log}（Ctrl+C 退出）"
        exec tail -n "${LOG_TAIL_LINES:-200}" -F "$app_log"
    fi
    if [ "$mode" != "container" ]; then
        echo "用法: ./deploy.sh logs [app|container]"
        exit 1
    fi
    COMPOSE=$(detect_compose)
    if [ -z "$COMPOSE" ]; then
        echo "❌ 未检测到 docker compose"
        exit 1
    fi
    $COMPOSE logs --tail "${LOG_TAIL_LINES:-200}" -f
}

cmd_migrate_mysql() {
    COMPOSE=$(detect_compose)
    if [ -z "$COMPOSE" ]; then
        echo "❌ 未检测到 docker compose"
        exit 1
    fi
    if [ ! -f data/web.db ]; then
        echo "❌ 未找到 data/web.db，无法迁移 SQLite 数据"
        exit 1
    fi

    echo "正在启动 MySQL..."
    $COMPOSE up -d mysql

    echo "等待 MySQL 就绪..."
    for i in $(seq 1 30); do
        if $COMPOSE exec -T mysql sh -c 'mysqladmin ping -h localhost -uroot -p"$MYSQL_ROOT_PASSWORD" --silent' >/dev/null 2>&1; then
            echo "MySQL 已就绪"
            break
        fi
        if [ "$i" = "30" ]; then
            echo "❌ MySQL 启动超时，查看日志："
            $COMPOSE logs --tail 50 mysql
            exit 1
        fi
        sleep 2
    done

    echo "正在构建迁移运行镜像..."
    $COMPOSE build douyu-login

    echo "开始迁移 SQLite 到 MySQL..."
    $COMPOSE run --rm --no-deps douyu-login \
        python scripts/migrate_sqlite_to_mysql.py --source /app/data/web.db
}

cmd_migrate() {
    COMPOSE=$(detect_compose)
    if [ -z "$COMPOSE" ]; then
        echo "❌ 未检测到 docker compose"
        exit 1
    fi

    echo "正在启动 MySQL..."
    $COMPOSE up -d mysql

    echo "等待 MySQL 就绪..."
    for i in $(seq 1 30); do
        if $COMPOSE exec -T mysql sh -c 'mysqladmin ping -h localhost -uroot -p"$MYSQL_ROOT_PASSWORD" --silent' >/dev/null 2>&1; then
            break
        fi
        if [ "$i" = "30" ]; then
            echo "❌ MySQL 启动超时，查看日志："
            $COMPOSE logs --tail 50 mysql
            exit 1
        fi
        sleep 2
    done

    echo "正在执行数据库迁移..."
    echo "正在构建最新应用镜像..."
    $COMPOSE build douyu-login
    $COMPOSE run --rm --no-deps douyu-login \
        python -c 'from web.backend.database import run_migrations; run_migrations()'
    echo "✅ 数据库迁移完成"
}

cmd_stop() {
    COMPOSE=$(detect_compose)
    if [ -z "$COMPOSE" ]; then
        echo "❌ 未检测到 docker compose"
        exit 1
    fi
    $COMPOSE down
    echo "✅ 服务已停止"
}

cmd_restart() {
    COMPOSE=$(detect_compose)
    if [ -z "$COMPOSE" ]; then
        echo "❌ 未检测到 docker compose"
        exit 1
    fi
    # 重建镜像和应用容器，使新迁移文件与入口迁移逻辑都能生效。
    $COMPOSE up -d --build --force-recreate douyu-login
    echo "✅ 服务已重建并重启（已自动检查数据库迁移）"
}

cmd_dev() {
    exec "$ROOT_DIR/dev.sh"
}

# ── 帮助 ──────────────────────────────────────────────────

cmd_help() {
    echo ""
    echo "=============================="
    echo "  斗鱼批量登录 - 部署工具"
    echo "=============================="
    echo ""
    echo "  用法: ./deploy.sh <命令>"
    echo ""
    echo "  命令:"
    echo "    (无参数)  构建并部署"
    echo "    reset     删除所有数据并重置（需确认）"
    echo "    migrate-mysql  先启动 MySQL 并迁移 data/web.db"
    echo "    migrate   仅执行数据库结构迁移"
    echo "    logs [app|container]  查看应用文件日志（默认）或容器输出"
    echo "    stop      停止服务"
    echo "    restart   重启服务"
    echo "    dev       本地调试启动（后端 reload + 前端热更新）"
    echo "    help      显示帮助"
    echo ""
    echo "  访问地址: http://localhost:${APP_PORT}"
    echo "  调试地址: http://localhost:5174"
    echo "  默认账号见环境变量 ADMIN_USERNAME/ADMIN_PASSWORD"
    echo ""
}

# ── 入口 ──────────────────────────────────────────────────

case "${1:-}" in
    reset)   cmd_reset   ;;
    migrate-mysql) cmd_migrate_mysql ;;
    migrate) cmd_migrate ;;
    logs)    shift; cmd_logs "${1:-app}" ;;
    stop)    cmd_stop    ;;
    restart) cmd_restart ;;
    dev)     cmd_dev     ;;
    help|-h) cmd_help    ;;
    *)       cmd_deploy  ;;
esac