import os
import logging
import subprocess
from typing import Tuple


class ODMProcessMonitor:
    """ODM进程监控器"""

    def __init__(self, max_retries: int = 3, mode: str = "快拼模式"):
        self.max_retries = max_retries
        self.logger = logging.getLogger('UAV_Preprocess.ODMMonitor')
        self.mode = mode

    def _check_success(self, grid_dir: str) -> bool:
        """检查ODM是否执行成功"""
        success_markers = ['odm_orthophoto', 'odm_georeferencing']
        if self.mode != "快拼模式":
            success_markers.append('odm_texturing')
        return all(os.path.exists(os.path.join(grid_dir, 'project', marker)) for marker in success_markers)

    def run_odm_with_monitor(self, grid_dir: str, grid_idx: int, fast_mode: bool = True) -> Tuple[bool, str]:
        """运行ODM命令"""
        try:
            self.logger.info(f"开始处理网格 {grid_idx + 1}")
                
            # 构建基础命令
            cmd = [
                "docker", "run", "--rm",
                "-v", f"{grid_dir}:/datasets",
            "opendronemap/odm",
                "--project-path", "/datasets", "project",
                "--max-concurrency", "10",
                "--force-gps",
                "--rerun-all"
            ]

                if fast_mode:
                    command.extend([
                        "--feature-quality", "lowest",
                        "--orthophoto-resolution", "8",
                        "--fast-orthophoto",
                        "--skip-3dmodel"
                    ])

                # 运行容器
                container = self.client.containers.run(
                    "opendronemap/odm",
                    command=command,
                    volumes=volumes,
                    detach=True,
                    remove=True
                )

                # 等待容器完成
                result = container.wait()

                # 只在失败时获取日志
                if result['StatusCode'] != 0:
                    logs = container.logs().decode('utf-8')
                    self.logger.error("容器执行失败，最后10行日志：")
                    self.logger.error(''.join(logs.split('\n')[-10:]))

                # 检查是否成功完成
                if result['StatusCode'] == 0 and self._check_success(grid_dir):
                    self.logger.info(f"网格 {grid_idx + 1} ODM处理成功")
                    return True, ""

                self.logger.warning(f"网格 {grid_idx + 1} 第 {attempt + 1} 次尝试失败")

        except Exception as e:
            error_msg = f"执行异常: {str(e)}"
            self.logger.error(error_msg)
            return False, error_msg