from django.contrib import admin
from django.db import models


class Article(models.Model):
    CATEGORY_CHOICES = [
        ('professional', '专业介绍'),
        ('leader', '领导分工'),
        ('academic_leader', '学院学科建设带头人教师'),
        ('computer_science', '计算机系教师'),
        ('software_engineering', '软件工程系教师'),
        ('digital_media', '数字媒体技术系教师'),
        ('iot_networking', '物联网与网络工程系教师'),
        ('math_teaching', '数学教研室教师'),
        ('party_work', '党政学工队伍教师'),
        ('scientific', '教学科研'),
        ('party_dynamic', '党建动态'),
        ('youth_dynamic', '团学动态'),
        ('admissions', '招生'),
        ('employment', '就业'),
    ]
    title = models.CharField(max_length=200, verbose_name='标题')
    markdown_content = models.TextField(verbose_name='markdown内容')
    html_content = models.TextField(verbose_name='html内容',blank=True)
    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')
    category = models.CharField(max_length=50, choices=CATEGORY_CHOICES, verbose_name='文章分类')
    cover = models.URLField(verbose_name='封面',blank=True)

    class Meta:
        ordering = ['-created_at']

    def __str__(self):
        return self.title

class ArticleAdmin(admin.ModelAdmin):
    # 列表显示字段
    list_display = ['title', 'category', 'created_at','updated_at']

    # 列表页链接字段（可点击进入编辑）
    list_display_links = ['title']

    # 侧边栏过滤器
    list_filter = [
        'category',  # 分类过滤器
    ]

    # 搜索框
    search_fields = ['title']

    # 每页显示数量
    list_per_page = 20


class Banner(models.Model):
    title = models.CharField(max_length=200, verbose_name='标题')
    url = models.URLField(verbose_name='链接')
    order = models.IntegerField(default=0, verbose_name='序号')

    class Meta:
        ordering = ['-order']

    def __str__(self):
        return self.title