from django.db import models
from django.utils import timezone

# 阅读记录类型
READING_TYPE_CHOICES = [
    ('book', '书籍'),
    ('article', '文章'),
    ('video', '视频'),
]

# 家庭事项类型
FAMILY_TASK_TYPE_CHOICES = [
    ('purchase', '采购'),
    ('housework', '家务'),
]

# 优先级
PRIORITY_CHOICES = [
    ('low', '低'),
    ('medium', '中'),
    ('high', '高'),
]

# 状态
STATUS_CHOICES = [
    ('pending', '待处理'),
    ('completed', '已完成'),
]

# 今日计划类型
PLAN_TYPE_CHOICES = [
    ('reading', '阅读'),
    ('insight', '感悟'),
    ('family', '家庭事项'),
    ('other', '其他'),
]

class ReadingRecord(models.Model):
    """阅读记录表"""
    date = models.DateField(default=timezone.now, verbose_name="日期")
    type = models.CharField(max_length=20, choices=READING_TYPE_CHOICES, verbose_name="类型")
    title = models.CharField(max_length=200, verbose_name="标题")
    source = models.CharField(max_length=200, blank=True, null=True, verbose_name="来源")
    progress = models.CharField(max_length=100, blank=True, null=True, verbose_name="进度")
    file = models.FileField(upload_to='reading_files/', blank=True, null=True, verbose_name="上传文件")
    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")
    updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间")
    
    class Meta:
        verbose_name = "阅读记录"
        verbose_name_plural = "阅读记录"
        ordering = ['-date', '-created_at']
    
    def __str__(self):
        return f"{self.title} ({self.get_type_display()})"

class InsightRecord(models.Model):
    """感悟记录表"""
    date = models.DateField(default=timezone.now, verbose_name="日期")
    content = models.TextField(verbose_name="内容")
    file = models.FileField(upload_to='insight_files/', blank=True, null=True, verbose_name="上传文件")
    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")
    updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间")
    
    class Meta:
        verbose_name = "感悟记录"
        verbose_name_plural = "感悟记录"
        ordering = ['-date', '-created_at']
    
    def __str__(self):
        return f"感悟记录 - {self.date}"

class FamilyTask(models.Model):
    """家庭事项表"""
    type = models.CharField(max_length=20, choices=FAMILY_TASK_TYPE_CHOICES, verbose_name="类型")
    content = models.TextField(verbose_name="内容")
    priority = models.CharField(max_length=10, choices=PRIORITY_CHOICES, default='medium', verbose_name="优先级")
    status = models.CharField(max_length=20, choices=STATUS_CHOICES, default='pending', verbose_name="状态")
    deadline = models.DateField(blank=True, null=True, verbose_name="截止日期")
    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")
    updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间")
    
    class Meta:
        verbose_name = "家庭事项"
        verbose_name_plural = "家庭事项"
        ordering = ['-priority', '-deadline', '-created_at']
    
    def __str__(self):
        return f"{self.get_type_display()} - {self.content[:20]}..."

class TodayPlan(models.Model):
    """今日计划表"""
    date = models.DateField(default=timezone.now, verbose_name="日期")
    content = models.TextField(verbose_name="内容")
    priority = models.CharField(max_length=10, choices=PRIORITY_CHOICES, default='medium', verbose_name="优先级")
    type = models.CharField(max_length=20, choices=PLAN_TYPE_CHOICES, default='other', verbose_name="类型")
    status = models.CharField(max_length=20, choices=STATUS_CHOICES, default='pending', verbose_name="状态")
    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")
    updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间")
    
    class Meta:
        verbose_name = "今日计划"
        verbose_name_plural = "今日计划"
        ordering = ['-priority', '-created_at']
    
    def __str__(self):
        return f"{self.date} - {self.content[:20]}..."

class SystemConfig(models.Model):
    """系统配置表"""
    smtp_server = models.CharField(max_length=100, blank=True, null=True, verbose_name="SMTP服务器")
    smtp_port = models.IntegerField(default=587, verbose_name="SMTP端口")
    smtp_username = models.CharField(max_length=100, blank=True, null=True, verbose_name="SMTP用户名")
    smtp_password = models.CharField(max_length=100, blank=True, null=True, verbose_name="SMTP密码")
    send_time = models.TimeField(default='08:00', verbose_name="每日发送时间")
    recipient_email = models.EmailField(blank=True, null=True, verbose_name="收件人邮箱")
    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")
    updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间")
    
    class Meta:
        verbose_name = "系统配置"
        verbose_name_plural = "系统配置"
    
    def __str__(self):
        return "系统配置"
    
    @classmethod
    def get_config(cls):
        """获取系统配置，单例模式"""
        config, created = cls.objects.get_or_create(pk=1)
        return config