"""
生态系统可视化器
负责提供植被和生态系统的可视化表示
"""

import time
from typing import Dict, Any, List, Optional
import math
import random

class EcoVisualizer:
    """
    生态系统可视化器
    负责提供植被和生态系统的可视化表示，包括渲染、着色和特效
    """
    
    def __init__(self, plugin):
        """
        初始化生态系统可视化器
        
        Args:
            plugin: 植被和生态系统插件实例
        """
        self.plugin = plugin
        self.enabled = False
        self.initialized = False
        
        # 渲染配置
        self.render_config = {
            'render_distance': 100.0,        # 渲染距离
            'lod_levels': 5,                 # LOD级别数
            'max_instances': 5000,           # 最大实例数
            'billboard_threshold': 50.0,     # 公告牌阈值
            'fade_distance': 80.0,           # 淡出距离
            'render_vegetation': True,       # 渲染植被
            'render_animals': True,          # 渲染动物
            'render_effects': True           # 渲染特效
        }
        
        # 着色配置
        self.shading_config = {
            'use_dynamic_lighting': True,    # 使用动态光照
            'shadow_quality': 'medium',      # 阴影质量
            'wind_effect': 0.5,              # 风效强度
            'seasonal_tint': True,           # 季节色调
            'health_based_color': True,      # 基于健康的颜色
            'specular_intensity': 0.3        # 镜面反射强度
        }
        
        # 特效配置
        self.effect_config = {
            'particle_effects': True,        # 粒子特效
            'bloom_effect': True,            # 泛光效果
            'depth_of_field': False,         # 景深效果
            'motion_blur': False,            # 运动模糊
            'color_grading': 'natural',      # 色彩分级
            'fog_effect': True               # 雾效
        }
        
        # LOD系统
        self.lod_system = {
            'levels': [
                {'distance': 0, 'detail': 'high', 'polygon_count': 1000},
                {'distance': 20, 'detail': 'medium', 'polygon_count': 500},
                {'distance': 40, 'detail': 'low', 'polygon_count': 200},
                {'distance': 60, 'detail': 'very_low', 'polygon_count': 50},
                {'distance': 80, 'detail': 'billboard', 'polygon_count': 1}
            ],
            'transition_smoothness': 0.5     # LOD过渡平滑度
        }
        
        # 颜色方案
        self.color_schemes = {
            'vegetation': {
                'healthy': (0.2, 0.8, 0.2),     # 健康绿色
                'stressed': (0.8, 0.8, 0.2),    # 压力黄色
                'dying': (0.8, 0.2, 0.2),       # 濒死红色
                'dormant': (0.5, 0.5, 0.5)      # 休眠灰色
            },
            'seasons': {
                'spring': (1.0, 1.0, 0.8),      # 春季色调
                'summer': (1.0, 0.9, 0.7),      # 夏季色调
                'autumn': (1.0, 0.7, 0.5),      # 秋季色调
                'winter': (0.8, 0.8, 1.0)       # 冬季色调
            }
        }
        
        # 相机配置
        self.camera_config = {
            'position': (0, 0, 0),
            'rotation': (0, 0, 0),
            'fov': 60.0,
            'near_clip': 0.1,
            'far_clip': 1000.0
        }
        
        # 可视化统计
        self.visualization_stats = {
            'rendered_instances': 0,
            'draw_calls': 0,
            'render_time': 0.0,
            'lod_transitions': 0,
            'effects_applied': 0
        }
        
        # 缓存系统
        self.render_cache = {}
        self.cache_config = {
            'max_cache_size': 100,
            'cache_timeout': 300  # 5分钟
        }
        
        print("✓ 生态系统可视化器已创建")
        
    def initialize(self) -> bool:
        """
        初始化生态系统可视化器
        
        Returns:
            是否初始化成功
        """
        try:
            self.initialized = True
            print("✓ 生态系统可视化器初始化完成")
            return True
            
        except Exception as e:
            print(f"✗ 生态系统可视化器初始化失败: {e}")
            import traceback
            traceback.print_exc()
            return False
            
    def enable(self) -> bool:
        """
        启用生态系统可视化器
        
        Returns:
            是否启用成功
        """
        try:
            if not self.initialized:
                print("✗ 生态系统可视化器未初始化")
                return False
                
            self.enabled = True
            print("✓ 生态系统可视化器已启用")
            return True
            
        except Exception as e:
            print(f"✗ 生态系统可视化器启用失败: {e}")
            import traceback
            traceback.print_exc()
            return False
            
    def disable(self):
        """禁用生态系统可视化器"""
        try:
            self.enabled = False
            print("✓ 生态系统可视化器已禁用")
            
        except Exception as e:
            print(f"✗ 生态系统可视化器禁用失败: {e}")
            import traceback
            traceback.print_exc()
            
    def finalize(self):
        """清理生态系统可视化器资源"""
        try:
            self.disable()
            self.render_cache.clear()
            self.initialized = False
            print("✓ 生态系统可视化器资源已清理")
            
        except Exception as e:
            print(f"✗ 生态系统可视化器资源清理失败: {e}")
            import traceback
            traceback.print_exc()
            
    def update(self, dt: float):
        """
        更新可视化器状态
        
        Args:
            dt: 时间增量
        """
        try:
            if not self.enabled:
                return
                
            # 更新相机位置
            self._update_camera(dt)
            
            # 更新LOD系统
            self._update_lod_system(dt)
            
            # 更新特效
            self._update_effects(dt)
            
            # 清理缓存
            self._cleanup_cache()
            
        except Exception as e:
            print(f"✗ 生态系统可视化器更新失败: {e}")
            import traceback
            traceback.print_exc()
            
    def _update_camera(self, dt: float):
        """更新相机状态"""
        try:
            # 在实际实现中，这里会根据用户输入或脚本更新相机位置
            pass
        except Exception as e:
            print(f"✗ 相机更新失败: {e}")
            
    def _update_lod_system(self, dt: float):
        """更新LOD系统"""
        try:
            # 在实际实现中，这里会根据相机距离更新LOD级别
            pass
        except Exception as e:
            print(f"✗ LOD系统更新失败: {e}")
            
    def _update_effects(self, dt: float):
        """更新特效系统"""
        try:
            # 在实际实现中，这里会更新各种视觉特效
            pass
        except Exception as e:
            print(f"✗ 特效系统更新失败: {e}")
            
    def _cleanup_cache(self):
        """清理渲染缓存"""
        try:
            current_time = time.time()
            expired_keys = []
            
            for key, (timestamp, _) in self.render_cache.items():
                if current_time - timestamp > self.cache_config['cache_timeout']:
                    expired_keys.append(key)
                    
            for key in expired_keys:
                del self.render_cache[key]
                
        except Exception as e:
            print(f"✗ 缓存清理失败: {e}")
            
    def render_vegetation(self):
        """渲染植被"""
        try:
            if not self.enabled or not self.render_config['render_vegetation']:
                return
                
            if not self.plugin.vegetation_manager:
                return
                
            # 获取所有植被实例
            instances = self.plugin.vegetation_manager.get_all_vegetation_instances()
            
            rendered_count = 0
            for instance_id, instance in instances.items():
                if not instance['alive']:
                    continue
                    
                if rendered_count >= self.render_config['max_instances']:
                    break
                    
                # 计算LOD级别
                lod_level = self._calculate_lod_level(instance['position'])
                
                # 获取植被类型信息
                veg_type = instance['type']
                veg_info = self.plugin.vegetation_manager.get_vegetation_info(veg_type)
                
                if not veg_info:
                    continue
                    
                # 计算颜色
                color = self._calculate_vegetation_color(instance, veg_info)
                
                # 应用季节色调
                if self.shading_config['seasonal_tint'] and self.plugin.seasonal_effects:
                    seasonal_color = self.plugin.seasonal_effects.get_vegetation_change_factor('leaf_color')
                    if isinstance(seasonal_color, tuple) and len(seasonal_color) == 3:
                        color = tuple(color[i] * seasonal_color[i] for i in range(3))
                        
                # 应用风效
                wind_effect = self.shading_config['wind_effect']
                
                # 在实际实现中，这里会调用渲染API进行渲染
                rendered_count += 1
                
            self.visualization_stats['rendered_instances'] = rendered_count
            self.visualization_stats['draw_calls'] += rendered_count
            
        except Exception as e:
            print(f"✗ 植被渲染失败: {e}")
            
    def _calculate_lod_level(self, position: tuple) -> int:
        """
        计算LOD级别
        
        Args:
            position: 位置坐标
            
        Returns:
            LOD级别索引
        """
        try:
            camera_pos = self.camera_config['position']
            distance = math.sqrt(
                (position[0] - camera_pos[0])**2 +
                (position[1] - camera_pos[1])**2 +
                (position[2] - camera_pos[2])**2
            )
            
            # 根据距离选择LOD级别
            for i, level in enumerate(self.lod_system['levels']):
                if distance <= level['distance']:
                    return min(i, len(self.lod_system['levels']) - 1)
                    
            return len(self.lod_system['levels']) - 1
            
        except Exception as e:
            print(f"✗ LOD级别计算失败: {e}")
            return 0
            
    def _calculate_vegetation_color(self, instance: Dict[str, Any], veg_info: Dict[str, Any]) -> tuple:
        """
        计算植被颜色
        
        Args:
            instance: 植被实例
            veg_info: 植被信息
            
        Returns:
            RGB颜色元组
        """
        try:
            base_color = veg_info.get('color', (0.2, 0.8, 0.2))
            
            # 基于健康度调整颜色
            if self.shading_config['health_based_color']:
                health = instance['health']
                if health > 0.7:
                    color = self.color_schemes['vegetation']['healthy']
                elif health > 0.3:
                    color = self.color_schemes['vegetation']['stressed']
                elif health > 0.1:
                    color = self.color_schemes['vegetation']['dying']
                else:
                    color = self.color_schemes['vegetation']['dormant']
                    
                # 混合基础颜色和健康颜色
                color = tuple((base_color[i] + color[i]) / 2 for i in range(3))
            else:
                color = base_color
                
            return color
            
        except Exception as e:
            print(f"✗ 植被颜色计算失败: {e}")
            return (0.2, 0.8, 0.2)
            
    def render_animals(self):
        """渲染动物"""
        try:
            if not self.enabled or not self.render_config['render_animals']:
                return
                
            if not self.plugin.animal_simulator:
                return
                
            # 获取所有动物实例
            instances = self.plugin.animal_simulator.get_all_animal_instances()
            
            for instance_id, instance in instances.items():
                if not instance['alive']:
                    continue
                    
                # 获取动物种类信息
                species = instance['species']
                species_info = self.plugin.animal_simulator.get_animal_info(species)
                
                if not species_info:
                    continue
                    
                # 计算LOD级别
                lod_level = self._calculate_lod_level(instance['position'])
                
                # 在实际实现中，这里会调用渲染API进行渲染
                
            self.visualization_stats['draw_calls'] += len(instances)
            
        except Exception as e:
            print(f"✗ 动物渲染失败: {e}")
            
    def render_ecosystem_effects(self):
        """渲染生态系统特效"""
        try:
            if not self.enabled or not self.render_config['render_effects']:
                return
                
            # 在实际实现中，这里会渲染各种生态系统特效
            # 如花粉飘散、落叶、动物足迹等
            
            self.visualization_stats['effects_applied'] += 1
            
        except Exception as e:
            print(f"✗ 生态系统特效渲染失败: {e}")
            
    def set_render_config(self, config: Dict[str, Any]):
        """
        设置渲染配置
        
        Args:
            config: 渲染配置字典
        """
        try:
            self.render_config.update(config)
            print(f"✓ 渲染配置已更新: {self.render_config}")
        except Exception as e:
            print(f"✗ 渲染配置更新失败: {e}")
            
    def get_render_config(self) -> Dict[str, Any]:
        """
        获取渲染配置
        
        Returns:
            渲染配置字典
        """
        return self.render_config.copy()
        
    def set_shading_config(self, config: Dict[str, Any]):
        """
        设置着色配置
        
        Args:
            config: 着色配置字典
        """
        try:
            self.shading_config.update(config)
            print(f"✓ 着色配置已更新: {self.shading_config}")
        except Exception as e:
            print(f"✗ 着色配置更新失败: {e}")
            
    def get_shading_config(self) -> Dict[str, Any]:
        """
        获取着色配置
        
        Returns:
            着色配置字典
        """
        return self.shading_config.copy()
        
    def set_effect_config(self, config: Dict[str, Any]):
        """
        设置特效配置
        
        Args:
            config: 特效配置字典
        """
        try:
            self.effect_config.update(config)
            print(f"✓ 特效配置已更新: {self.effect_config}")
        except Exception as e:
            print(f"✗ 特效配置更新失败: {e}")
            
    def get_effect_config(self) -> Dict[str, Any]:
        """
        获取特效配置
        
        Returns:
            特效配置字典
        """
        return self.effect_config.copy()
        
    def set_camera_config(self, config: Dict[str, Any]):
        """
        设置相机配置
        
        Args:
            config: 相机配置字典
        """
        try:
            self.camera_config.update(config)
            print(f"✓ 相机配置已更新: {self.camera_config}")
        except Exception as e:
            print(f"✗ 相机配置更新失败: {e}")
            
    def get_camera_config(self) -> Dict[str, Any]:
        """
        获取相机配置
        
        Returns:
            相机配置字典
        """
        return self.camera_config.copy()
        
    def get_lod_system(self) -> Dict[str, Any]:
        """
        获取LOD系统配置
        
        Returns:
            LOD系统配置字典
        """
        return self.lod_system.copy()
        
    def set_lod_level(self, level: int, distance: float, detail: str, polygon_count: int):
        """
        设置LOD级别
        
        Args:
            level: LOD级别索引
            distance: 距离阈值
            detail: 细节级别
            polygon_count: 多边形数量
        """
        try:
            if 0 <= level < len(self.lod_system['levels']):
                self.lod_system['levels'][level] = {
                    'distance': distance,
                    'detail': detail,
                    'polygon_count': polygon_count
                }
                print(f"✓ LOD级别 {level} 已更新")
            else:
                print(f"✗ 无效的LOD级别: {level}")
                
        except Exception as e:
            print(f"✗ LOD级别设置失败: {e}")
            
    def get_color_schemes(self) -> Dict[str, Dict[str, tuple]]:
        """
        获取颜色方案
        
        Returns:
            颜色方案字典
        """
        return self.color_schemes.copy()
        
    def set_color_scheme(self, category: str, scheme_name: str, color: tuple):
        """
        设置颜色方案
        
        Args:
            category: 颜色类别
            scheme_name: 方案名称
            color: RGB颜色元组
        """
        try:
            if category in self.color_schemes:
                self.color_schemes[category][scheme_name] = color
                print(f"✓ 颜色方案已更新: {category}.{scheme_name}")
            else:
                print(f"✗ 无效的颜色类别: {category}")
                
        except Exception as e:
            print(f"✗ 颜色方案设置失败: {e}")
            
    def get_visualization_stats(self) -> Dict[str, Any]:
        """
        获取可视化统计信息
        
        Returns:
            统计信息字典
        """
        return self.visualization_stats.copy()
        
    def reset_visualization_stats(self):
        """重置可视化统计信息"""
        try:
            self.visualization_stats = {
                'rendered_instances': 0,
                'draw_calls': 0,
                'render_time': 0.0,
                'lod_transitions': 0,
                'effects_applied': 0
            }
            print("✓ 可视化统计信息已重置")
        except Exception as e:
            print(f"✗ 可视化统计信息重置失败: {e}")
            
    def clear_render_cache(self):
        """清空渲染缓存"""
        try:
            self.render_cache.clear()
            print("✓ 渲染缓存已清空")
        except Exception as e:
            print(f"✗ 渲染缓存清空失败: {e}")
            
    def get_cache_info(self) -> Dict[str, Any]:
        """
        获取缓存信息
        
        Returns:
            缓存信息字典
        """
        try:
            return {
                'cache_size': len(self.render_cache),
                'max_size': self.cache_config['max_cache_size'],
                'timeout': self.cache_config['cache_timeout']
            }
        except Exception as e:
            print(f"✗ 缓存信息获取失败: {e}")
            return {}
            
    def set_cache_config(self, config: Dict[str, Any]):
        """
        设置缓存配置
        
        Args:
            config: 缓存配置字典
        """
        try:
            self.cache_config.update(config)
            print(f"✓ 缓存配置已更新: {self.cache_config}")
        except Exception as e:
            print(f"✗ 缓存配置更新失败: {e}")
            
    def capture_screenshot(self, filename: str = None) -> str:
        """
        截取屏幕截图
        
        Args:
            filename: 文件名（如果为None则自动生成）
            
        Returns:
            截图文件路径
        """
        try:
            if filename is None:
                timestamp = int(time.time())
                filename = f"ecosystem_screenshot_{timestamp}.png"
                
            # 在实际实现中，这里会调用渲染API截取屏幕
            print(f"✓ 屏幕截图已保存: {filename}")
            return filename
            
        except Exception as e:
            print(f"✗ 屏幕截图失败: {e}")
            return ""
            
    def render_heightmap(self) -> bool:
        """
        渲染高度图
        
        Returns:
            是否渲染成功
        """
        try:
            # 在实际实现中，这里会渲染地形高度图
            print("✓ 高度图渲染完成")
            return True
            
        except Exception as e:
            print(f"✗ 高度图渲染失败: {e}")
            return False
            
    def render_vegetation_density_map(self) -> bool:
        """
        渲染植被密度图
        
        Returns:
            是否渲染成功
        """
        try:
            # 在实际实现中，这里会渲染植被密度图
            print("✓ 植被密度图渲染完成")
            return True
            
        except Exception as e:
            print(f"✗ 植被密度图渲染失败: {e}")
            return False
            
    def toggle_wireframe_mode(self):
        """切换线框模式"""
        try:
            # 在实际实现中，这里会切换渲染模式
            print("✓ 线框模式已切换")
        except Exception as e:
            print(f"✗ 线框模式切换失败: {e}")
            
    def toggle_debug_info(self):
        """切换调试信息显示"""
        try:
            # 在实际实现中，这里会切换调试信息显示
            print("✓ 调试信息显示已切换")
        except Exception as e:
            print(f"✗ 调试信息显示切换失败: {e}")