"""
Cd预测模型配置
@description: 自包含的配置文件，不依赖外部集成系统
@version: 3.0.0
"""

import os
from typing import Dict, Any, Optional

# 获取当前模块的根目录
MODEL_ROOT = os.path.dirname(os.path.abspath(__file__))

# 模型文件路径配置
MODEL_PATHS = {
    "crop_cd": {
        "model_file": os.path.join(MODEL_ROOT, "crop_cd", "cropCdNN.pth"),
        "mean_file": os.path.join(MODEL_ROOT, "crop_cd", "cropCd_mean.npy"),
        "scale_file": os.path.join(MODEL_ROOT, "crop_cd", "cropCd_scale.npy"),
        "constraint_module": os.path.join(MODEL_ROOT, "crop_cd", "constrained_nn6.py"),
        "special_feature_name": "solution",  # 特殊特征列名
        "special_feature_index": 2  # 默认索引，如果找不到列名则使用此索引
    },
    "effective_cd": {
        "model_file": os.path.join(MODEL_ROOT, "effective_cd", "EffCdNN6C.pth"),
        "mean_file": os.path.join(MODEL_ROOT, "effective_cd", "EffCd_mean.npy"),
        "scale_file": os.path.join(MODEL_ROOT, "effective_cd", "EffCd_scale.npy"),
        "constraint_module": os.path.join(MODEL_ROOT, "effective_cd", "constrained_nn6C.py"),
        "special_feature_name": "Cdsolution",  # 特殊特征列名
        "special_feature_index": 2  # 默认索引，如果找不到列名则使用此索引
    },
    "common": {
        "template_tif": os.path.join(MODEL_ROOT, "common", "template.tif")
    }
}

# 栅格处理配置
RASTER_CONFIG = {
    "enable_interpolation": False,  # 默认关闭插值以提高性能
    "interpolation_method": "nearest",  # 插值方法: nearest, linear, cubic
    "resolution_factor": 1.0,  # 分辨率因子，越大分辨率越高
    "field_name": "Prediction",  # 预测值字段名
    "coordinate_columns": {
        "longitude": "longitude",  
        "latitude": "latitude",   
        "value": "Prediction"     
    }
}

# 可视化配置
VISUALIZATION_CONFIG = {
    "color_maps": {
        "viridis": "viridis",
        "plasma": "plasma", 
        "inferno": "inferno",
        "colormap1": ['#FFFECE', '#FFF085', '#FEBA17','#BE3D2A','#74512D', '#4E1F00'],
        "colormap2": ['#F6F8D5', '#98D2C0', '#4F959D', '#205781', '#143D60','#2A3335'],
        "colormap3": ['#FFEFC8', '#F8ED8C', '#D3E671', '#89AC46', '#5F8B4C', '#355F2E'],
        "colormap4": ['#F0F1C5', '#BBD8A3', '#6F826A', '#BF9264', '#735557', '#604652'],
        "colormap5": ['#FCFAEE', '#FBF3B9', '#FFDCCC', '#FDB7EA', '#B7B1F2', '#8D77AB'],
        "colormap6": ['#15B392', '#73EC8B', '#FFEB55', '#EE66A6', '#D91656', '#640D5F']
    },
    "default_colormap": "colormap6",
    "figure_size": [10, 8],
    "dpi": 300
}

def get_model_config(model_type: str) -> Dict[str, Any]:
    """
    获取指定模型的配置
    
    @param {str} model_type - 模型类型 ("crop_cd" 或 "effective_cd")
    @returns {Dict[str, Any]} 模型配置
    """
    if model_type not in MODEL_PATHS:
        raise ValueError(f"不支持的模型类型: {model_type}")
    
    return MODEL_PATHS[model_type].copy()

def get_raster_config(override_params: Optional[Dict[str, Any]] = None) -> Dict[str, Any]:
    """
    获取栅格配置，支持参数覆盖
    
    @param {Optional[Dict[str, Any]]} override_params - 覆盖参数
    @returns {Dict[str, Any]} 栅格配置
    """
    config = RASTER_CONFIG.copy()
    
    if override_params:
        for key, value in override_params.items():
            if value is not None:
                if key in config:
                    config[key] = value
                elif key in config.get("coordinate_columns", {}):
                    config["coordinate_columns"][key] = value
    
    return config

def get_template_tif_path() -> str:
    """
    获取模板栅格文件路径
    
    @returns {str} 模板文件路径
    """
    return MODEL_PATHS["common"]["template_tif"]

def validate_model_files(model_type: str) -> Dict[str, bool]:
    """
    验证模型文件是否存在
    
    @param {str} model_type - 模型类型
    @returns {Dict[str, bool]} 文件存在性验证结果
    """
    config = get_model_config(model_type)
    
    validation_result = {}
    for key, file_path in config.items():
        if key.endswith('_file') or key.endswith('_module'):
            validation_result[key] = os.path.exists(file_path)
    
    return validation_result

def ensure_directories(output_base_dir: str):
    """
    确保输出目录存在
    
    @param {str} output_base_dir - 基础输出目录
    """
    directories = [
        os.path.join(output_base_dir, "figures"),
        os.path.join(output_base_dir, "raster"),
        os.path.join(output_base_dir, "data", "temp"),
        os.path.join(output_base_dir, "data", "final")
    ]
    
    for directory in directories:
        os.makedirs(directory, exist_ok=True)