# 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
from datetime import datetime # 处理时间
from flask import Flask
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=['GET'])
@cross_origin()
def getDayScreenUseTime():
    datetimeStr = '2022-09-05'
    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李彪
    for time in activityTimeList:
        if time.timeStart.date() == struct_time:
            selectedTimeList.append(time)

    timeAmount = 0
    for time in selectedTimeList:
        time_diff = time.timeEnd - time.timeStart
        timeAmount = timeAmount + time_diff.total_seconds()

    timeAmount = int(timeAmount)
    m, s = divmod(timeAmount, 60)
    h, m = divmod(m, 60)

    return '{:d}小时{:02d}分{:02d}秒'.format(h, m, s)

# 获取每日第一次屏幕使用时刻
@app.route('/getFirstScreenTime', methods=['GET'])
@cross_origin()
def getFirstScreenTime():
    datetimeStr = '2022-09-05'
    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李彪
    for time in activityTimeList:
        if time.timeStart.date() == struct_time:
            selectedTimeList.append(time)
            break;

    firstScreenTime = selectedTimeList[0].timeStart.strftime('%H点%M分%S秒')
    return firstScreenTime

# 获取每日最后一次屏幕使用时刻
@app.route('/getLastScreenTime', methods=['GET'])
@cross_origin()
def getLastScreenTime():
    datetimeStr = '2022-09-05'
    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李彪
    for time in activityTimeList:
        if time.timeStart.date() == struct_time:
            selectedTimeList.append(time)

    lastScreenTime = selectedTimeList[-1].timeEnd.strftime('%H点%M分%S秒')
    return lastScreenTime

# 持续时间