# python对多文件编程及其不友好, 白写了这么多文件到处报错, 最后还是要写在一个文件里解决了
import os
import sys
import json
from datetime import datetime # 处理时间
from flask import Flask, request
from flask_cors import CORS, cross_origin
from flask_sqlalchemy import SQLAlchemy

app = Flask(__name__)
cors = CORS(app)
app.config['CORS_HEADERS'] = 'Content-Type'

prefix = "sqlite:///"
path = '../appTime/AppTime-Realease/data.db'
app.config['SQLALCHEMY_DATABASE_URI'] = prefix + path
app.config['SQLALCHEMY_COMMIT_ON_TEARDOWN'] = True
# 在扩展类实例化前加载配置
db = SQLAlchemy(app)


# 数据库模型
class App(db.Model):
    id = db.Column(db.Integer, primary_key=True)  # App id
    process = db.Column(db.Text)  # appName
    text = db.Column(db.Text)  # app窗口名称
    tagId = db.Column(db.Integer, unique=True)  # 标签id


class Period(db.Model):
    timeStart = db.Column(db.DateTime, primary_key=True)  # 开始时间
    timeEnd = db.Column(db.DateTime)  # 结束时间
    winId = db.Column(db.Integer)  # 活动id


class Tag(db.Model):
    id = db.Column(db.Integer, primary_key=True)  # 标签id
    text = db.Column(db.Text)  # 标签文本


class Win(db.Model):
    id = db.Column(db.Integer, primary_key=True)  # 活动id
    appId = db.Column(db.Integer)  # App id
    text = db.Column(db.Text, nullable=True)  # 活动窗口名称
    tagId = db.Column(db.Integer, nullable=True)  # 标签id


# 后端API
# 获取每日屏幕使用总时间
@app.route('/getDayScreenUseTime', methods=['POST'])
@cross_origin()
def getDayScreenUseTime():
    datetimeStr1 = json.loads(request.data)
    datetimeStr = datetimeStr1['datetimeStr']
    struct_time = datetime.strptime(datetimeStr, "%Y-%m-%d").date()    # 获取请求日期, struct_time数据类型为dateTime
    activityTimeList = Period.query.all()
    selectedTimeList = []   # 选中的对应今天日期的时间
    for time in activityTimeList:
        if time.timeStart.date() == struct_time and time.timeEnd.date() == struct_time:
            selectedTimeList.append(time)

    if (len(selectedTimeList) == 0):
        sendJson =  {'getDayScreenUseTimeH': 0, 'getDayScreenUseTimeM': 0, 'getDayScreenUseTimeS': 0, 'firstScreenTime': '', 'lastScreenTime': '', 'getScreenTimeSpanH': 0, 'getScreenTimeSpanM':0, 'getScreenTimeSpanS': 0 }
    else:
        timeAmount = 0
        for time in selectedTimeList:
            if time.timeEnd.date() == time.timeStart.date():
                time_diff = time.timeEnd - time.timeStart
                timeAmount = timeAmount + time_diff.total_seconds()

        timeAmount = int(timeAmount)
        getDayScreenUseTimeM, getDayScreenUseTimeS = divmod(timeAmount, 60)     # 每日屏幕使用时长, 分时秒
        getDayScreenUseTimeH, getDayScreenUseTimeM = divmod(getDayScreenUseTimeM, 60)
        firstScreenTime = selectedTimeList[0].timeStart.strftime('%H时%M分%S秒') # 第一次屏幕使用时刻,
        lastScreenTime = selectedTimeList[-1].timeEnd.strftime('%H时%M分%S秒') # 最后一次屏幕使用时刻
        screenTimeSpan = int((selectedTimeList[-1].timeEnd - selectedTimeList[0].timeStart).total_seconds()) # 持续时间
        getScreenTimeSpanM, getScreenTimeSpanS = divmod(screenTimeSpan, 60)  # 每日屏幕使用时长, 分时秒
        getScreenTimeSpanH, getScreenTimeSpanM = divmod(getScreenTimeSpanM, 60)
        sendJson = {'getDayScreenUseTimeH': getDayScreenUseTimeH, 'getDayScreenUseTimeM': getDayScreenUseTimeM, 'getDayScreenUseTimeS': getDayScreenUseTimeS, 'firstScreenTime': firstScreenTime, 'lastScreenTime': lastScreenTime, 'getScreenTimeSpanH': getScreenTimeSpanH, 'getScreenTimeSpanM': getScreenTimeSpanM, 'getScreenTimeSpanS': getScreenTimeSpanS }
    return json.dumps(sendJson, indent=4)

@app.route('/getDayScreenUseTime', methods=['POST'])
@cross_origin()
def getDayScreenUseTime():
    datetimeStr1 = json.loads(request.data)
    datetimeStr = datetimeStr1['datetimeStr']
    struct_time = datetime.strptime(datetimeStr, "%Y-%m-%d").date()    # 获取请求日期, struct_time数据类型为dateTime
    return "1"