# Generated by Django 5.2.12 on 2026-06-12 11:38

import django.db.models.deletion
from django.conf import settings
from django.db import migrations, models


class Migration(migrations.Migration):

    initial = True

    dependencies = [
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
    ]

    operations = [
        migrations.CreateModel(
            name='Conversation',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('type', models.CharField(choices=[('private', '私聊')], default='private', max_length=20, verbose_name='会话类型')),
                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='创建时间')),
            ],
            options={
                'verbose_name': '会话',
                'verbose_name_plural': '会话',
                'ordering': ['-created_at'],
            },
        ),
        migrations.CreateModel(
            name='ChatMessage',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('content', models.TextField(verbose_name='内容')),
                ('msg_type', models.CharField(choices=[('text', '文本'), ('image', '图片'), ('file', '文件'), ('emoji', '表情'), ('sticker', '表情包')], default='text', max_length=20, verbose_name='消息类型')),
                ('file_url', models.CharField(blank=True, default='', max_length=500, verbose_name='文件URL')),
                ('is_recalled', models.BooleanField(default=False, verbose_name='是否撤回')),
                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='创建时间')),
                ('reply_to', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='replies', to='chat.chatmessage', verbose_name='引用消息')),
                ('sender', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='chat_messages', to=settings.AUTH_USER_MODEL, verbose_name='发送者')),
                ('conversation', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='messages', to='chat.conversation', verbose_name='会话')),
            ],
            options={
                'verbose_name': '聊天消息',
                'verbose_name_plural': '聊天消息',
                'ordering': ['created_at'],
            },
        ),
        migrations.CreateModel(
            name='ConversationParticipant',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('joined_at', models.DateTimeField(auto_now_add=True, verbose_name='加入时间')),
                ('last_read_at', models.DateTimeField(blank=True, null=True, verbose_name='最后阅读时间')),
                ('conversation', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='participants', to='chat.conversation', verbose_name='会话')),
                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='chat_participations', to=settings.AUTH_USER_MODEL, verbose_name='用户')),
            ],
            options={
                'verbose_name': '会话参与者',
                'verbose_name_plural': '会话参与者',
                'unique_together': {('conversation', 'user')},
            },
        ),
        migrations.CreateModel(
            name='FriendRequest',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('status', models.CharField(choices=[('pending', '待处理'), ('accepted', '已接受'), ('rejected', '已拒绝'), ('cancelled', '已取消')], default='pending', max_length=20, verbose_name='状态')),
                ('message', models.CharField(blank=True, default='', max_length=200, verbose_name='验证消息')),
                ('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')),
                ('from_user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='sent_friend_requests', to=settings.AUTH_USER_MODEL, verbose_name='发送者')),
                ('to_user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='received_friend_requests', to=settings.AUTH_USER_MODEL, verbose_name='接收者')),
            ],
            options={
                'verbose_name': '好友请求',
                'verbose_name_plural': '好友请求',
                'ordering': ['-created_at'],
                'unique_together': {('from_user', 'to_user')},
            },
        ),
        migrations.CreateModel(
            name='Friendship',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='成为好友时间')),
                ('user1', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='friendships_as_user1', to=settings.AUTH_USER_MODEL, verbose_name='用户1')),
                ('user2', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='friendships_as_user2', to=settings.AUTH_USER_MODEL, verbose_name='用户2')),
            ],
            options={
                'verbose_name': '好友关系',
                'verbose_name_plural': '好友关系',
                'ordering': ['-created_at'],
                'unique_together': {('user1', 'user2')},
            },
        ),
    ]