import os
from typing import Optional, Tuple, Literal
from .common import request, Result, utils, constants

DateTimeTuple = Tuple[str, str]

def find(project_id: Optional[str] = None,
        obs_id: Optional[str] = None,
        instrument: Literal['MSC', 'IFS', 'MCI', 'HSTDM', 'CPIC'] = 'MSC', 
        detector_no: Optional[str] = None,
        file_type: Optional[str] = None,
        obs_type: Optional[str] = None,
        filter: Optional[str] = None,
        obs_time: Optional[DateTimeTuple] = None,
        create_time: Optional[DateTimeTuple] = None,
        qc0_status: Optional[int] = None,
        prc_status: Optional[int] = None,
        file_name: Optional[str] = None,
        ra_obj: Optional[int] = None,
        dec_obj: Optional[int] = None,
        radius: Optional[float] = None,
        object_name: Optional[str] = None,
        dataset: str = constants.DEFAULT_DATASET,
        page: int = 1,
        limit: int = 0) -> Result:
    """
    根据给定的参数搜索0级数据文件记录
    
    Args:
        project_id (Optional[str], optional): 项目ID. Defaults to None.
        obs_id (Optional[str], optional): 观测ID. Defaults to None.
        instrument (Optional[str], optional): 设备,如'MSC', 'IFS'. Defaults to 'MSC'.
        detector_no (Optional[str], optional): 探测器编号. Defaults to None.
        file_type (Optional[str], optional): 文件类型,如'SCI'. Defaults to None.
        obs_type (Optional[str], optional): 观测类型,如'01'. Defaults to None.
        filter (Optional[str], optional): 滤光片. Defaults to None.
        obs_time (Optional[DateTimeTuple], optional): 观测时间范围. Defaults to None.
        create_time (Optional[DateTimeTuple], optional): 创建时间范围. Defaults to None.
        qc0_status (Optional[int], optional): QC0状态. Defaults to None.
        prc_status (Optional[int], optional): 处理状态. Defaults to None.
        file_name (Optional[str], optional): 文件名. Defaults to None.
        ra_obj (Optional[int], optional): 目标赤经. Defaults to None.
        dec_obj (Optional[int], optional): 目标赤纬. Defaults to None.
        radius (Optional[float], optional): 搜索半径. Defaults to None.
        object_name (Optional[str], optional): 目标名称. Defaults to None.
        dataset (Optional[str], optional): 数据集名称. Defaults to constants.DEFAULT_DATASET.
        page (int, optional): 页码. Defaults to 1.
        limit (int, optional): 每页数量. Defaults to 0,不限制.
    
    Returns:
        Result: 搜索结果对象.
    
    """

    params = {
        'project_id': project_id,
        'obs_id': obs_id,
        'instrument': instrument,
        'detector_no': detector_no,
        'file_type': file_type,
        'obs_type': obs_type,
        'filter': filter,
        'qc0_status': qc0_status,
        'prc_status': prc_status,
        'file_name': file_name,
        'ra_obj': ra_obj,
        'dec_obj': dec_obj,
        'radius': radius,
        'object_name': object_name,
        'obs_time_start': None,
        'obs_time_end': None,
        'create_time_start': None,
        'create_time_end': None,
        'dataset': dataset,
        'page': page,
        'limit': limit,
    }
    
    if obs_time is not None:
        params['obs_time_start'], params['obs_time_end'] = obs_time
        if params['obs_time_start'] and utils.is_valid_datetime_format(params['obs_time_start']):
            pass
        if params['obs_time_end'] and utils.is_valid_datetime_format(params['obs_time_end']):
            pass 
    if create_time is not None:
        params['create_time_start'], params['create_time_end'] = create_time
        utils.is_valid_datetime_format(params['create_time_start']) or utils.is_valid_datetime_format(params['create_time_end'])
    return request.post("/api/level0", params)

def get_by_id(_id: str) -> Result:
    """
    根据内部ID获取0级数据
    
    Args:
        _id (str): 0级数据的内部ID
    
    Returns:
        Result: 查询结果
    
    """
    return request.get(f"/api/level0/_id/{_id}")

def find_by_level0_id(level0_id: str) -> Result:
    """
    通过 level0 的 ID 查询0级数据
    
    Args:
        level0_id (str): 0级数据的ID
    
    Returns:
        Result: 查询结果
    
    """
    return request.get(f"/api/level0/{level0_id}")

def update_qc0_status(level0_id: str, file_type: str, qc0_status: int, dataset: str = constants.DEFAULT_DATASET) -> Result:
    """
    更新0级数据的QC0状态
    
    Args:
        level0_id (str): 0级数据的ID
        file_type (str): 文件类型
        qc0_status (int): QC0状态
        dataset (str): 数据集名称
    
    Returns:
        Result: 更新结果
    """
    return request.put(f"/api/level0/qc0_status/{level0_id}", {'file_type': file_type, 'qc0_status': qc0_status, 'dataset': dataset})

def update_prc_status(level0_id: str, file_type: str, dag_run_id: str, prc_status: int, dataset: str = constants.DEFAULT_DATASET) -> Result:
    """
    更新0级数据的处理状态
    
    Args:
        level0_id (str): 0级数据的ID
        file_type (str): 文件类型
        dag_run_id (str): 运行ID
        prc_status (int): 处理状态
        dataset (str): 数据集名称
    
    Returns:
        Result: 操作结果
    """
    return request.put(f"/api/level0/prc_status/{level0_id}/{dag_run_id}", {'file_type': file_type, 'prc_status': prc_status, 'dataset': dataset})

def write(local_file: str, 
        dataset: str = constants.DEFAULT_DATASET,
        **kwargs) -> Result:
    """
    将本地文件写入DFS中
    
    Args:
        local_file (str]): 文件路径
        dataset (Optional[str], optional): 数据集名称. Defaults to None.
        **kwargs: 额外的关键字参数,这些参数将传递给DFS
    
    Returns:
        Result: 操作的结果对象,包含操作是否成功以及相关的错误信息,成功返回数据对象
    
    """
    params = {
        'dataset': dataset,
    }
    params.update(kwargs)
    if not os.path.exists(local_file):
        raise FileNotFoundError(local_file)        
    return request.post_file("/api/level0/file", local_file, params)

def write_cat(local_file: str,
            dataset: str = constants.DEFAULT_DATASET,
            **kwargs) -> Result:
    """
    主巡天仿真数据的星表本地文件写入DFS中
    
    Args:
        local_file (str]): 文件路径
        dataset (Optional[str], optional): 数据集名称. Defaults to None.
        **kwargs: 额外的关键字参数,这些参数将传递给DFS
    
    Returns:
        Result: 操作的结果对象,包含操作是否成功以及相关的错误信息,成功返回数据对象
    
    """
    params = {
        'dataset': dataset,
    }
    params.update(kwargs)
    if not os.path.exists(local_file):
        raise FileNotFoundError(local_file)        
    return request.post_file("/api/level0/cat/file", local_file, params)

def generate_prc_msg(instrument: Literal['MSC', 'IFS', 'MCI', 'HSTDM', 'CPIC'], 
                    obs_id: str, 
                    detector_no: str,
                    level0_id: str,
                    dataset: str = constants.DEFAULT_DATASET,
                    batch_id: str = constants.DEFAULT_BATCH_ID) -> Result:
    """
    生成流水线的处理消息
    
    Args:
        instrument (str): 模块ID
        obs_id (str): 观测ID
        detector_no (str): 探测器编号
        level0_id (str): 0级数据ID
        dataset (Optional[str], optional): 数据集名称..
        batch_id (Optional[str], optional): 批次ID. Defaults to 'auto'.
    
    Returns:
        Result: 处理消息生成的结果,是否成功以及相关的错误信息
    
    """
    params = {
        'dataset': dataset,
        'batch_id': batch_id,
        'obs_id': obs_id,
        'detector_no': detector_no,
        "level0_id": level0_id,
    }
    
    return request.put(f"/api/level0/prc/{instrument}", params)

def process_list(level0_id: str) -> Result:
    """
    通过 level0 的 ID 查询0级数据处理过程
    
    Args:
        level0_id (str): 0级数据的ID
    
    Returns:
        Result: 成功后,Result.data为数据列表,失败message为失败原因
    
    """
    return request.get(f"/api/level0/prc/{level0_id}")

def add_process(level0_id: str, 
                dag_id: str, 
                dag_run_id: str, 
                batch_id: Optional[str] = None,
                dataset: str = constants.DEFAULT_DATASET,
                prc_status: int = -1024,                
                prc_time: str = utils.get_current_time(),                
                prc_module: str = "",
                message: str = "") -> Result:
    """
    添加0级数据处理过程
    
    Args:
        level0_id (str): 0级数据的ID
        dag_id (str): 管线ID
        dag_run_id (str): 运行ID
        dataset (str): 数据集
        batch_id (str): 批次ID
        prc_time (str): 处理时间,格式为"YYYY-MM-DD HH:MM:SS"
        prc_status (int): 处理状态
        prc_module (str): 处理模块
        message (str): 处理消息
    
    Returns:
        Result: 成功后,Result.data为写入记录,失败message为失败原因
    
    """
    params = {
        'level0_id': level0_id,
        'dag_id': dag_id,
        'dag_run_id': dag_run_id,
        'dataset': dataset,
        'batch_id': batch_id,
        'prc_time': prc_time,
        'prc_status': prc_status,
        'prc_module': prc_module,
        'message': message,
    }
    utils.is_valid_datetime_format(prc_time)
    return request.post("/api/level0/prc", params)

def new(data: dict) -> Result:
    """
    新建0级数据,用于仿真数据测试
    
    Args:
        data (dict): 0级数据的字典表示
    
    Returns:
        Result: 成功后,Result.data为写入记录,失败message为失败原因
    
    """
    return request.post("/api/level0/new", data)