# Generated by Django 5.2.13 on 2026-04-24 10:33

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='Category',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('name', models.CharField(max_length=50, unique=True, verbose_name='分类名称')),
                ('description', models.CharField(blank=True, default='', max_length=200, verbose_name='描述')),
                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='创建时间')),
            ],
            options={
                'verbose_name': '设备分类',
                'verbose_name_plural': '设备分类',
                'ordering': ['name'],
            },
        ),
        migrations.CreateModel(
            name='Asset',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('asset_number', models.CharField(db_index=True, max_length=50, unique=True, verbose_name='资产编号')),
                ('name', models.CharField(max_length=100, verbose_name='设备名称')),
                ('brand', models.CharField(blank=True, default='', max_length=50, verbose_name='品牌')),
                ('model', models.CharField(blank=True, default='', max_length=100, verbose_name='型号')),
                ('serial_number', models.CharField(blank=True, db_index=True, default='', max_length=100, verbose_name='序列号')),
                ('location', models.CharField(blank=True, default='', help_text='楼层/房间/区域', max_length=200, verbose_name='设备位置')),
                ('cabinet', models.CharField(blank=True, default='', max_length=50, verbose_name='机柜')),
                ('cabinet_position', models.CharField(blank=True, default='', help_text='U位', max_length=50, verbose_name='机柜位置')),
                ('ip_address', models.GenericIPAddressField(blank=True, null=True, verbose_name='IP地址')),
                ('purchase_date', models.DateField(blank=True, null=True, verbose_name='采购日期')),
                ('warranty_expire', models.DateField(blank=True, null=True, verbose_name='质保到期')),
                ('supplier', models.CharField(blank=True, default='', max_length=100, verbose_name='供应商')),
                ('responsible_person', models.CharField(blank=True, default='', max_length=50, verbose_name='负责人')),
                ('status', models.CharField(choices=[('in_use', '在用'), ('idle', '闲置'), ('maintenance', '维修中'), ('scrapped', '已报废')], default='in_use', max_length=20, verbose_name='状态')),
                ('remark', models.TextField(blank=True, default='', verbose_name='备注')),
                ('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')),
                ('created_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL, verbose_name='创建人')),
                ('category', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='assets', to='assetapp.category', verbose_name='设备分类')),
            ],
            options={
                'verbose_name': '硬件资产',
                'verbose_name_plural': '硬件资产',
                'ordering': ['-created_at'],
            },
        ),
        migrations.CreateModel(
            name='AssetChangeLog',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('asset_number', models.CharField(db_index=True, max_length=50, verbose_name='资产编号')),
                ('action', models.CharField(choices=[('create', '创建'), ('update', '更新'), ('delete', '删除'), ('import', '导入'), ('export', '导出'), ('status_change', '状态变更')], max_length=20, verbose_name='操作类型')),
                ('field_name', models.CharField(blank=True, default='', max_length=50, verbose_name='变更字段')),
                ('old_value', models.TextField(blank=True, default='', verbose_name='旧值')),
                ('new_value', models.TextField(blank=True, default='', verbose_name='新值')),
                ('description', models.TextField(blank=True, default='', verbose_name='描述')),
                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='操作时间')),
                ('asset', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='change_logs', to='assetapp.asset', verbose_name='资产')),
                ('operator', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL, verbose_name='操作人')),
            ],
            options={
                'verbose_name': '变更记录',
                'verbose_name_plural': '变更记录',
                'ordering': ['-created_at'],
            },
        ),
    ]