from apps.mtm.models import Goal, Mgroup
from django.core.cache import cache
from django.db.models import Q
from apps.mtm.models import Material, Process
from rest_framework.exceptions import ParseError
from apps.utils.tools import ranstr
from datetime import datetime
from apps.wpm.models import StLog
from apps.wpm.services import get_sflog
from apps.wpm.tasks import cal_exp_duration_hour


def get_mgroup_goals(mgroupId, year, reload=False):
    """
    获取工段某年的全部目标值, 以字典形式返回, 带缓存
    """
    goals = Goal.objects.filter(
        Q(mgroup__id=mgroupId) | Q(mgroup__name=mgroupId), year=year)
    key = f'mgroup_{mgroupId}_goals'
    if reload is False:
        mgroup_goals = cache.get(key, None)
        if mgroup_goals is not None:
            return mgroup_goals
    mgroup_goals = {}
    for goal in goals:
        mgroup_goals[f'{goal.goal_cate.code}_year'] = goal.goal_val
        for i in range(12):
            mgroup_goals[f'{goal.goal_cate.code}_{i+1}'] = getattr(
                goal, f'goal_val_{i+1}')
    cache.set(key, mgroup_goals, 10)
    return mgroup_goals


def daoru_material(path: str):
    """
    导入物料信息
    """
    type_dict = {'主要原料': 30, '半成品': 20, '成品': 10,
                 '辅助材料': 40, '加工工具': 50, '辅助工装': 60, '办公用品': 70}
    from apps.utils.snowflake import idWorker
    from openpyxl import load_workbook
    wb = load_workbook(path)
    sheet = wb.get_sheet_by_name('物料')
    process_l = Process.objects.all()
    process_d = {p.name: p for p in process_l}
    i = 3
    while sheet[f'a{i}'].value is not None:
        type_str = sheet[f'a{i}'].value.replace(' ', '')
        try:
            type = type_dict[type_str]
            name = sheet[f'b{i}'].value.replace(' ', '')
            specification = sheet[f'c{i}'].value.replace(
                '×', '*').replace(' ', '')
            model = sheet[f'd{i}'].value.replace(' ', '')
            unit = sheet[f'e{i}'].value.replace(' ', '')
            count_safe = sheet[f'g{i}'].value
        except Exception as e:
            raise ParseError(f'{i}行物料信息错误: {str(e)}')
        if type in [20, 30]:
            try:
                process = process_d[sheet[f'f{i}'].value.replace(' ', '')]
            except Exception as e:
                raise ParseError(f'{i}行物料信息错误: {str(e)}')
        try:
            filters = {'type': type, 'name': name, 'specification': specification,
                       'model': model, 'unit__iexact': unit}
            if type in [20, 30]:
                filters['process'] = process
            default = {'type': type, 'name': name, 'specification': specification,
                       'model': model, 'unit': unit, 'number': f'm{type}_{ranstr(6)}', 'id': idWorker.get_id(), 'count_safe': count_safe}
            material, is_created = Material.objects.get_or_create(
                **filters, defaults=default)
            if not is_created:
                material.count_safe = count_safe
                material.save()
        except Exception as e:
            raise ParseError(f'{i}行物料有误, 导入失败--{e}')
        i = i + 1
        print(type, name, specification, model, unit, '导入成功')


def mgroup_run_change(mgroup: Mgroup, new_run: bool, last_timex: datetime):
    """
    调用工段运行变动
    """
    mgroup.is_running = new_run
    mgroup.save(update_fields=["is_running"])

    last_stlog = StLog.objects.filter(mgroup=mgroup, is_shutdown=True).order_by("-start_time").first()  # 找到最后一次停机记录

    if last_stlog:
        if last_timex >= last_stlog.start_time:  # 认为是有效信号
            if last_stlog.end_time is None and new_run:  # 从停到开
                last_stlog.end_time = last_timex
                last_stlog.duration = (last_stlog.end_time - last_stlog.start_time).total_seconds() / 3600
                last_stlog.save()
                cal_exp_duration_hour(last_stlog.id)  # 触发时间分配
            elif last_stlog.end_time and new_run is False and last_timex > last_stlog.end_time:  # 从开到停
                StLog.objects.create(title="停机", is_shutdown=True, mgroup=mgroup, end_time=None, start_time=last_timex, sflog=get_sflog(mgroup, last_timex))
    elif new_run is False:
        StLog.objects.create(title="停机", is_shutdown=True, mgroup=mgroup, end_time=None, start_time=last_timex, sflog=get_sflog(mgroup, last_timex))
        mgroup.is_running = False
        mgroup.save()