from django.conf import settings
from django.db import models


class ApiCategory(models.Model):
    name = models.CharField(max_length=50, unique=True, verbose_name='分类名称')
    icon = models.CharField(max_length=100, default='AppstoreOutlined', verbose_name='图标名称')
    sort_order = models.IntegerField(default=0, verbose_name='排序')
    created_at = models.DateTimeField(auto_now_add=True, verbose_name='创建时间')

    class Meta:
        ordering = ['sort_order', '-created_at']
        verbose_name = 'API分类'
        verbose_name_plural = 'API分类'

    def __str__(self):
        return self.name


class ApiItem(models.Model):
    HTTP_METHOD_CHOICES = [
        ('GET', 'GET'),
        ('POST', 'POST'),
        ('PUT', 'PUT'),
        ('DELETE', 'DELETE'),
    ]

    name = models.CharField(max_length=100, verbose_name='API名称')
    description = models.TextField(default='', blank=True, verbose_name='API描述')
    icon = models.CharField(max_length=100, default='ApiOutlined', verbose_name='图标名称')
    url_path = models.CharField(max_length=200, verbose_name='API路径')
    method = models.CharField(max_length=10, choices=HTTP_METHOD_CHOICES, default='GET', verbose_name='请求方法')
    category = models.ForeignKey(ApiCategory, on_delete=models.SET_NULL, null=True, blank=True, related_name='items', verbose_name='所属分类')
    is_enabled = models.BooleanField(default=True, verbose_name='是否启用')
    is_new = models.BooleanField(default=False, verbose_name='是否为新API')
    is_coming_soon = models.BooleanField(default=False, verbose_name='是否即将到来')
    views_count = models.IntegerField(default=0, verbose_name='浏览次数')
    color = models.CharField(max_length=20, default='#667eea', blank=True, verbose_name='主题颜色')
    image_url = models.URLField(max_length=500, blank=True, default='', verbose_name='图片URL')
    sort_order = models.IntegerField(default=0, verbose_name='排序')
    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:
        ordering = ['sort_order', '-created_at']
        verbose_name = 'API接口'
        verbose_name_plural = 'API接口'

    def __str__(self):
        return self.name


class ApiFavorite(models.Model):
    user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='api_favorites', verbose_name='用户')
    api_item = models.ForeignKey(ApiItem, on_delete=models.CASCADE, related_name='favorites', verbose_name='API接口')
    created_at = models.DateTimeField(auto_now_add=True, verbose_name='创建时间')

    class Meta:
        verbose_name = 'API收藏'
        verbose_name_plural = 'API收藏'
        unique_together = ['user', 'api_item']
        ordering = ['-created_at']

    def __str__(self):
        return f'{self.user} favorites {self.api_item}'