import os
import logging
import subprocess
from typing import Dict, Tuple
import pandas as pd


class ODMProcessMonitor:
    """ODM处理监控器"""

    def __init__(self, output_dir: str, mode: str = "快拼模式"):
        self.output_dir = output_dir
        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_id: tuple, fast_mode: bool = True, produce_dem: bool = False) -> Tuple[bool, str]:
        """运行ODM命令"""
        if produce_dem and fast_mode:
            self.logger.error("快拼模式下无法生成DEM，请调整生产参数")
            return False, "快拼模式下无法生成DEM，请调整生产参数"

        self.logger.info(f"开始处理网格 ({grid_id[0]},{grid_id[1]})")

        # 构建Docker命令
        grid_dir = grid_dir[0].lower()+grid_dir[1:].replace('\\', '/')
        docker_command = (
            f"docker run --gpus all -ti --rm "
            f"-v {grid_dir}:/datasets "
            f"opendronemap/odm:gpu "
            f"--project-path /datasets project "
            f"--max-concurrency 15 "
            f"--force-gps "
            f"--feature-quality lowest "
            f"--orthophoto-resolution 10 "
        )

        if produce_dem:
            docker_command += (
                f"--dsm "
                f"--dtm "
            )

        if fast_mode:
            docker_command += (
                f"--fast-orthophoto "
                f"--skip-3dmodel "
            )

        docker_command += "--rerun-all"
        self.logger.info(docker_command)
        result = subprocess.run(
            docker_command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
        stdout, stderr = result.stdout.decode(
            'utf-8'), result.stderr.decode('utf-8')

        self.logger.info(f"==========stdout==========: {stdout}")
        self.logger.error(f"==========stderr==========: {stderr}")
        # 检查执行结果
        if self._check_success(grid_dir):
            self.logger.info(f"网格 ({grid_id[0]},{grid_id[1]}) 处理成功")
            return True, ""
        else:
            self.logger.error(f"网格 ({grid_id[0]},{grid_id[1]}) 处理失败")
            return False, f"网格 ({grid_id[0]},{grid_id[1]}) 处理失败"

    def process_all_grids(self, grid_points: Dict[tuple, pd.DataFrame], produce_dem: bool):
        """处理所有网格"""
        self.logger.info("开始执行网格处理")
        for grid_id in grid_points.keys():
            grid_dir = os.path.join(
                self.output_dir, f'grid_{grid_id[0]}_{grid_id[1]}'
            )

            success, error_msg = self.run_odm_with_monitor(
                grid_dir=grid_dir,
                grid_id=grid_id,
                fast_mode=(self.mode == "快拼模式"),
                produce_dem=produce_dem
            )

            if not success:
                raise Exception(f"网格 ({grid_id[0]},{grid_id[1]}) 处理失败: {error_msg}")