import os
import shutil
from datetime import timedelta
from dataclasses import dataclass
from typing import Dict

import matplotlib.pyplot as plt
import pandas as pd
from tqdm import tqdm

from filter.cluster_filter import GPSCluster
from utils.command_runner import CommandRunner
from utils.gps_extractor import GPSExtractor
from filter.gps_filter import GPSFilter
from utils.grid_divider import GridDivider
from utils.logger import setup_logger
from filter.time_group_overlap_filter import TimeGroupOverlapFilter
from utils.visualizer import FilterVisualizer


@dataclass
class PreprocessConfig:
    """预处理配置类"""

    image_dir: str
    output_dir: str
    # 聚类过滤参数
    cluster_eps: float = 0.01
    cluster_min_samples: int = 5
    # 时间组重叠过滤参数
    time_group_overlap_threshold: float = 0.7
    time_group_interval: timedelta = timedelta(minutes=5)
    enable_time_group_filter: bool = True
    # 孤立点过滤参数
    filter_distance_threshold: float = 0.001  # 经纬度距离
    filter_min_neighbors: int = 6
    # 密集点过滤参数
    filter_grid_size: float = 0.001
    filter_dense_distance_threshold: float = 10  # 普通距离，单位：米
    filter_time_threshold: timedelta = timedelta(minutes=5)
    # 网格划分参数
    grid_overlap: float = 0.05
    grid_size: float = 500
    # 几个pipline过程是否开启
    enable_filter: bool = True
    enable_grid_division: bool = True
    enable_visualization: bool = True
    enable_copy_images: bool = True
    mode: str = "快拼模式"


class ImagePreprocessor:
    def __init__(self, config: PreprocessConfig):
        self.config = config
        self.logger = setup_logger(config.output_dir)
        self.gps_points = None
        self.command_runner = CommandRunner(config.output_dir, mode=config.mode)
        self.visualizer = FilterVisualizer(config.output_dir)
        # 用于存储每个步骤的点数据
        self.points_history = []
        self.step_names = []

    def extract_gps(self) -> pd.DataFrame:
        """提取GPS数据"""
        self.logger.info("开始提取GPS数据")
        extractor = GPSExtractor(self.config.image_dir)
        self.gps_points = extractor.extract_all_gps()
        self.logger.info(f"成功提取 {len(self.gps_points)} 个GPS点")
        
        # 记录初始状态
        self.points_history.append(self.gps_points.copy())
        self.step_names.append("Initial")
        return self.gps_points

    def cluster(self) -> pd.DataFrame:
        """使用DBSCAN对GPS点进行聚类"""
        self.logger.info("开始聚类")
        previous_points = self.gps_points.copy()
        
        clusterer = GPSCluster(
            self.gps_points, output_dir=self.config.output_dir,
            eps=self.config.cluster_eps, min_samples=self.config.cluster_min_samples)
        self.clustered_points = clusterer.fit()
        self.gps_points = clusterer.get_main_cluster(self.clustered_points)
        
        # 可视化聚类结果
        if self.config.enable_visualization:
            self.visualizer.visualize_filter_step(
                self.gps_points, previous_points, "Clustering")
            
        # 记录这一步的结果
        self.points_history.append(self.gps_points.copy())
        self.step_names.append("Clustering")
        return self.gps_points

    def filter_time_group_overlap(self) -> pd.DataFrame:
        """过滤重叠的时间组"""
        if not self.config.enable_time_group_filter:
            return self.gps_points

        self.logger.info("开始过滤重叠时间组")
        previous_points = self.gps_points.copy()
        
        filter = TimeGroupOverlapFilter(
            self.config.image_dir,
            self.config.output_dir,
            overlap_threshold=self.config.time_group_overlap_threshold
        )

        deleted_files = filter.filter_overlapping_groups(
            time_threshold=self.config.time_group_interval
        )

        self.gps_points = self.gps_points[~self.gps_points['file'].isin(deleted_files)]
        
        # 可视化过滤结果
        if self.config.enable_visualization:
            self.visualizer.visualize_filter_step(
                self.gps_points, previous_points, "Time Group Overlap")
            
        # 记录这一步的结果
        self.points_history.append(self.gps_points.copy())
        self.step_names.append("Time Group Overlap")
        return self.gps_points

    def process(self):
        """执行完整的预处理流程"""
        try:
            self.extract_gps()
            self.cluster()
            self.filter_time_group_overlap()
            
            # 在处理结束时生成所有步骤的可视化
            if self.config.enable_visualization:
                self.visualizer.visualize_all_steps(
                    self.points_history, self.step_names)
                
            self.logger.info("预处理任务完成")
        except Exception as e:
            self.logger.error(f"处理过程中发生错误: {str(e)}", exc_info=True)
            raise


if __name__ == "__main__":
    # 创建配置
    config = PreprocessConfig(
        image_dir=r"F:\error_data\20241016140912\code\images",
        output_dir=r"G:\output",

        cluster_eps=0.01,
        cluster_min_samples=5,

        # 添加时间组重叠过滤参数
        time_group_overlap_threshold=0.7,
        time_group_interval=timedelta(minutes=5),
        enable_time_group_filter=True,

        filter_distance_threshold=0.001,
        filter_min_neighbors=6,

        filter_grid_size=0.001,
        filter_dense_distance_threshold=10,
        filter_time_threshold=timedelta(minutes=5),

        grid_overlap=0.03,
        grid_size=1000,

        enable_filter=True,
        enable_grid_division=True,
        enable_visualization=True,
        enable_copy_images=True,

        mode="快拼模式",
    )

    # 创建处理器并执行
    processor = ImagePreprocessor(config)
    processor.process()