# -*- coding: utf-8 -*-
from django.contrib import admin
from django.contrib.auth.admin import UserAdmin as BaseUserAdmin
from django.utils.html import format_html
from django.utils.translation import gettext_lazy as _
from apps.common.utils import get_avatar_html
from .models import User, Profile, Department, Role, UserRole, UserSession, PasswordResetToken


class ProfileInline(admin.StackedInline):
    model = Profile
    can_delete = False
    fk_name = 'user'
    fields = ('phone_number', 'bio', 'avatar', 'job_title', 'department', 'timezone', 'language')
 

@admin.register(User)
class UserAdmin(BaseUserAdmin):
    inlines = (ProfileInline, UserRoleInline)
    list_display = ('email', 'username', 'first_name', 'last_name', 'is_verified', 'is_active', 'is_staff', 'is_superuser')
    list_filter = ('is_active', 'is_staff', 'is_superuser', 'is_verified', 'date_joined')
    search_fields = ('email', 'username', 'first_name', 'last_name')
    ordering = ('-date_joined',)
    readonly_fields = ('date_joined', 'last_login', 'last_activity', 'email_verified_at', 'password_changed_at')
    
    fieldsets = (
        (None, {'fields': ('email', 'username', 'password')}),
        (_('Personal info'), {'fields': ('first_name', 'last_name')}),
        (_('Permissions'), {'fields': ('is_active', 'is_staff', 'is_superuser', 'groups', 'user_permissions')}),
        (_('Important dates'), {'fields': ('last_login', 'date_joined', 'last_activity')}),
        (_('Security'), {'fields': ('is_verified', 'email_verified_at', 'failed_login_attempts', 'account_locked_until', 'mfa_enabled')}),
    )


@admin.register(Profile)
class ProfileAdmin(admin.ModelAdmin):
    list_display = ('user', 'phone_number', 'get_avatar_display', 'job_title', 'department', 'timezone', 'language')
    list_filter = ('timezone', 'language', 'department')
    search_fields = ('user__email', 'user__username', 'phone_number', 'job_title')
    readonly_fields = ('created_at', 'updated_at')
    
    def get_avatar_display(self, obj):
        """Display avatar thumbnail in admin."""
        return get_avatar_html(obj, size=40)
    get_avatar_display.short_description = "Avatar"


@admin.register(Department)
class DepartmentAdmin(admin.ModelAdmin):
    list_display = ('name', 'code', 'parent', 'head', 'is_active')
    list_filter = ('is_active', 'parent')
    search_fields = ('name', 'code', 'description')
    readonly_fields = ('created_at', 'updated_at')

@admin.register(UserSession)
class UserSessionAdmin(admin.ModelAdmin):
    list_display = ('user', 'session_key', 'ip_address', 'is_active', 'last_activity', 'expires_at')
    list_filter = ('is_active', 'last_activity', 'expires_at')
    search_fields = ('user__email', 'session_key', 'ip_address')
    readonly_fields = ('created_at', 'updated_at')


@admin.register(PasswordResetToken)
class PasswordResetTokenAdmin(admin.ModelAdmin):
    list_display = ('user', 'token', 'expires_at', 'is_used', 'ip_address')
    list_filter = ('is_used', 'expires_at')
    search_fields = ('user__email', 'token')
    readonly_fields = ('created_at', 'token')