ArchiveBox/archivebox/core/admin.py

__package__ = 'archivebox.core'

import os

from io import StringIO
from pathlib import Path
from contextlib import redirect_stdout
from datetime import datetime, timezone
from typing import Dict, Any

from django.contrib import admin
from django.urls import path, reverse, resolve
from django.utils import timezone
from django.utils.functional import cached_property
from django.utils.html import format_html
from django.utils.safestring import mark_safe
from django.shortcuts import render, redirect
from django.contrib.auth import get_user_model
from django.contrib.auth.admin import UserAdmin
from django.core.paginator import Paginator
from django.core.exceptions import ValidationError
from django.template import Template, RequestContext
from django.conf import settings
from django import forms


from signal_webhooks.admin import WebhookAdmin
from signal_webhooks.utils import get_webhook_model
# from plugantic.admin import CustomPlugin

from ..util import htmldecode, urldecode, ansi_to_html

from core.models import Snapshot, ArchiveResult, Tag
from core.forms import AddLinkForm
from core.mixins import SearchResultsAdminMixin
from api.models import APIToken
from abid_utils.admin import ABIDModelAdmin

from index.html import snapshot_icons
from logging_util import printable_filesize
from main import add, remove
from extractors import archive_links


CONFIG = settings.CONFIG

GLOBAL_CONTEXT = {'VERSION': CONFIG.VERSION, 'VERSIONS_AVAILABLE': CONFIG.VERSIONS_AVAILABLE, 'CAN_UPGRADE': CONFIG.CAN_UPGRADE}

# Admin URLs
# /admin/
# /admin/login/
# /admin/core/
# /admin/core/snapshot/
# /admin/core/snapshot/:uuid/
# /admin/core/tag/
# /admin/core/tag/:uuid/


# TODO: https://stackoverflow.com/questions/40760880/add-custom-button-to-django-admin-panel


class ArchiveBoxAdmin(admin.AdminSite):
    site_header = 'ArchiveBox'
    index_title = 'Links'
    site_title = 'Index'
    namespace = 'admin'

    def get_urls(self):
        return [
            path('core/snapshot/add/', self.add_view, name='Add'),
        ] + super().get_urls()

    def add_view(self, request):
        if not request.user.is_authenticated:
            return redirect(f'/admin/login/?next={request.path}')

        request.current_app = self.name
        context: Dict[str, Any] = {
            **self.each_context(request),
            'title': 'Add URLs',
        }

        if request.method == 'GET':
            context['form'] = AddLinkForm()

        elif request.method == 'POST':
            form = AddLinkForm(request.POST)
            if form.is_valid():
                url = form.cleaned_data["url"]
                print(f'[+] Adding URL: {url}')
                depth = 0 if form.cleaned_data["depth"] == "0" else 1
                input_kwargs = {
                    "urls": url,
                    "depth": depth,
                    "update_all": False,
                    "out_dir": CONFIG.OUTPUT_DIR,
                }
                add_stdout = StringIO()
                with redirect_stdout(add_stdout):
                   add(**input_kwargs)
                print(add_stdout.getvalue())

                context.update({
                    "stdout": ansi_to_html(add_stdout.getvalue().strip()),
                    "form": AddLinkForm(),
                })
            else:
                context["form"] = form

        return render(template_name='add.html', request=request, context=context)


class CustomUserAdmin(UserAdmin):
    sort_fields = ['id', 'email', 'username', 'is_superuser', 'last_login', 'date_joined']
    list_display = ['username', 'id', 'email', 'is_superuser', 'last_login', 'date_joined']
    readonly_fields = ('snapshot_set', 'archiveresult_set', 'tag_set', 'apitoken_set', 'outboundwebhook_set')
    fieldsets = [*UserAdmin.fieldsets, ('Data', {'fields': readonly_fields})]

    @admin.display(description='Snapshots')
    def snapshot_set(self, obj):
        total_count = obj.snapshot_set.count()
        return mark_safe('<br/>'.join(
            format_html(
                '<code><a href="/admin/core/snapshot/{}/change"><b>[{}]</b></a></code> <b>📅 {}</b> {}',
                snap.pk,
                snap.abid,
                snap.downloaded_at.strftime('%Y-%m-%d %H:%M') if snap.downloaded_at else 'pending...',
                snap.url[:64],
            )
            for snap in obj.snapshot_set.order_by('-modified_at')[:10]
        ) + f'<br/><a href="/admin/core/snapshot/?created_by__id__exact={obj.pk}">{total_count} total records...<a>')

    @admin.display(description='Archive Result Logs')
    def archiveresult_set(self, obj):
        total_count = obj.archiveresult_set.count()
        return mark_safe('<br/>'.join(
            format_html(
                '<code><a href="/admin/core/archiveresult/{}/change"><b>[{}]</b></a></code> <b>📅 {}</b> <b>📄 {}</b> {}',
                result.pk,
                result.abid,
                result.snapshot.downloaded_at.strftime('%Y-%m-%d %H:%M') if result.snapshot.downloaded_at else 'pending...',
                result.extractor,
                result.snapshot.url[:64],
            )
            for result in obj.archiveresult_set.order_by('-modified_at')[:10]
        ) + f'<br/><a href="/admin/core/archiveresult/?created_by__id__exact={obj.pk}">{total_count} total records...<a>')

    @admin.display(description='Tags')
    def tag_set(self, obj):
        total_count = obj.tag_set.count()
        return mark_safe(', '.join(
            format_html(
                '<code><a href="/admin/core/tag/{}/change"><b>{}</b></a></code>',
                tag.pk,
                tag.name,
            )
            for tag in obj.tag_set.order_by('-modified_at')[:10]
        ) + f'<br/><a href="/admin/core/tag/?created_by__id__exact={obj.pk}">{total_count} total records...<a>')

    @admin.display(description='API Tokens')
    def apitoken_set(self, obj):
        total_count = obj.apitoken_set.count()
        return mark_safe('<br/>'.join(
            format_html(
                '<code><a href="/admin/api/apitoken/{}/change"><b>[{}]</b></a></code> {} (expires {})',
                apitoken.pk,
                apitoken.abid,
                apitoken.token_redacted[:64],
                apitoken.expires,
            )
            for apitoken in obj.apitoken_set.order_by('-modified_at')[:10]
        ) + f'<br/><a href="/admin/api/apitoken/?created_by__id__exact={obj.pk}">{total_count} total records...<a>')

    @admin.display(description='API Outbound Webhooks')
    def outboundwebhook_set(self, obj):
        total_count = obj.outboundwebhook_set.count()
        return mark_safe('<br/>'.join(
            format_html(
                '<code><a href="/admin/api/outboundwebhook/{}/change"><b>[{}]</b></a></code> {} -> {}',
                outboundwebhook.pk,
                outboundwebhook.abid,
                outboundwebhook.referenced_model,
                outboundwebhook.endpoint,
            )
            for outboundwebhook in obj.outboundwebhook_set.order_by('-modified_at')[:10]
        ) + f'<br/><a href="/admin/api/outboundwebhook/?created_by__id__exact={obj.pk}">{total_count} total records...<a>')


archivebox_admin = ArchiveBoxAdmin()
archivebox_admin.register(get_user_model(), CustomUserAdmin)
archivebox_admin.disable_action('delete_selected')

# archivebox_admin.register(CustomPlugin)

# patch admin with methods to add data views (implemented by admin_data_views package)
# https://github.com/MrThearMan/django-admin-data-views
# https://mrthearman.github.io/django-admin-data-views/setup/
############### Additional sections are defined in settings.ADMIN_DATA_VIEWS #########
from admin_data_views.admin import get_app_list, admin_data_index_view, get_admin_data_urls, get_urls

archivebox_admin.get_app_list = get_app_list.__get__(archivebox_admin, ArchiveBoxAdmin)
archivebox_admin.admin_data_index_view = admin_data_index_view.__get__(archivebox_admin, ArchiveBoxAdmin)       # type: ignore
archivebox_admin.get_admin_data_urls = get_admin_data_urls.__get__(archivebox_admin, ArchiveBoxAdmin)           # type: ignore
archivebox_admin.get_urls = get_urls(archivebox_admin.get_urls).__get__(archivebox_admin, ArchiveBoxAdmin)


class AccelleratedPaginator(Paginator):
    """
    Accellerated Pagniator ignores DISTINCT when counting total number of rows.
    Speeds up SELECT Count(*) on Admin views by >20x.
    https://hakibenita.com/optimizing-the-django-admin-paginator
    """

    @cached_property
    def count(self):
        if self.object_list._has_filters():                             # type: ignore
            # fallback to normal count method on filtered queryset
            return super().count
        else:
            # otherwise count total rows in a separate fast query
            return self.object_list.model.objects.count()
    
        # Alternative approach for PostgreSQL: fallback count takes > 200ms
        # from django.db import connection, transaction, OperationalError
        # with transaction.atomic(), connection.cursor() as cursor:
        #     cursor.execute('SET LOCAL statement_timeout TO 200;')
        #     try:
        #         return super().count
        #     except OperationalError:
        #         return 9999999999999


class ArchiveResultInline(admin.TabularInline):
    name = 'Archive Results Log'
    model = ArchiveResult
    parent_model = Snapshot
    # fk_name = 'snapshot'
    extra = 0
    sort_fields = ('end_ts', 'extractor', 'output', 'status', 'cmd_version')
    readonly_fields = ('id', 'result_id', 'completed', 'command', 'version')
    fields = ('start_ts', 'end_ts', *readonly_fields, 'extractor', 'cmd', 'cmd_version', 'pwd', 'created_by', 'status', 'output')
    # exclude = ('id',)
    ordering = ('end_ts',)
    show_change_link = True
    # # classes = ['collapse']
    # # list_display_links = ['abid']

    def get_parent_object_from_request(self, request):
        resolved = resolve(request.path_info)
        try:
            return self.parent_model.objects.get(pk=resolved.kwargs['object_id'])
        except (self.parent_model.DoesNotExist, ValidationError):
            return self.parent_model.objects.get(pk=self.parent_model.id_from_abid(resolved.kwargs['object_id']))

    @admin.display(
        description='Completed',
        ordering='end_ts',
    )
    def completed(self, obj):
        return format_html('<p style="white-space: nowrap">{}</p>', obj.end_ts.strftime('%Y-%m-%d %H:%M:%S'))

    def result_id(self, obj):
        return format_html('<a href="{}"><code style="font-size: 10px">[{}]</code></a>', reverse('admin:core_archiveresult_change', args=(obj.id,)), obj.abid)
    
    def command(self, obj):
        return format_html('<small><code>{}</code></small>', " ".join(obj.cmd or []))
    
    def version(self, obj):
        return format_html('<small><code>{}</code></small>', obj.cmd_version or '-')
    
    def get_formset(self, request, obj=None, **kwargs):
        formset = super().get_formset(request, obj, **kwargs)
        snapshot = self.get_parent_object_from_request(request)

        # import ipdb; ipdb.set_trace()
        # formset.form.base_fields['id'].widget = formset.form.base_fields['id'].hidden_widget()
        
        # default values for new entries
        formset.form.base_fields['status'].initial = 'succeeded'
        formset.form.base_fields['start_ts'].initial = timezone.now()
        formset.form.base_fields['end_ts'].initial = timezone.now()
        formset.form.base_fields['cmd_version'].initial = '-'
        formset.form.base_fields['pwd'].initial = str(snapshot.link_dir)
        formset.form.base_fields['created_by'].initial = request.user
        formset.form.base_fields['cmd'] = forms.JSONField(initial=['-'])
        formset.form.base_fields['output'].initial = 'Manually recorded cmd output...'
        
        if obj is not None:
            # hidden values for existing entries and new entries
            formset.form.base_fields['start_ts'].widget = formset.form.base_fields['start_ts'].hidden_widget()
            formset.form.base_fields['end_ts'].widget = formset.form.base_fields['end_ts'].hidden_widget()
            formset.form.base_fields['cmd'].widget = formset.form.base_fields['cmd'].hidden_widget()
            formset.form.base_fields['pwd'].widget = formset.form.base_fields['pwd'].hidden_widget()
            formset.form.base_fields['created_by'].widget = formset.form.base_fields['created_by'].hidden_widget()
            formset.form.base_fields['cmd_version'].widget = formset.form.base_fields['cmd_version'].hidden_widget()
        return formset
    
    def get_readonly_fields(self, request, obj=None):
        if obj is not None:
            return self.readonly_fields
        else:
            return []


class TagInline(admin.TabularInline):
    model = Tag.snapshot_set.through       # type: ignore
    # fk_name = 'snapshot'
    fields = ('id', 'tag')
    extra = 1
    # min_num = 1
    max_num = 1000
    autocomplete_fields = (
        'tag',
    )

from django.contrib.admin.helpers import ActionForm
from django.contrib.admin.widgets import FilteredSelectMultiple

# class AutocompleteTags:
#     model = Tag
#     search_fields = ['name']
#     name = 'name'
#     # source_field = 'name'
#     remote_field = Tag._meta.get_field('name')

# class AutocompleteTagsAdminStub:
#     name = 'admin'


class SnapshotActionForm(ActionForm):
    tags = forms.ModelMultipleChoiceField(
        label='Edit tags',
        queryset=Tag.objects.all(),
        required=False,
        widget=FilteredSelectMultiple(
            'core_tag__name',
            False,
        ),
    )

    # TODO: allow selecting actions for specific extractors? is this useful?
    # extractor = forms.ChoiceField(
    #     choices=ArchiveResult.EXTRACTOR_CHOICES,
    #     required=False,
    #     widget=forms.MultileChoiceField(attrs={'class': "form-control"})
    # )





@admin.register(Snapshot, site=archivebox_admin)
class SnapshotAdmin(SearchResultsAdminMixin, ABIDModelAdmin):
    list_display = ('created_at', 'title_str', 'files', 'size', 'url_str')
    sort_fields = ('title_str', 'url_str', 'created_at')
    readonly_fields = ('admin_actions', 'status_info', 'tags_str', 'imported_timestamp', 'created_at', 'modified_at', 'downloaded_at', 'abid_info', 'link_dir')
    search_fields = ('id', 'url', 'abid', 'timestamp', 'title', 'tags__name')
    list_filter = ('created_at', 'downloaded_at', 'archiveresult__status', 'created_by', 'tags__name')
    fields = ('url', 'title', 'created_by', 'bookmarked_at', *readonly_fields)
    ordering = ['-created_at']
    actions = ['add_tags', 'remove_tags', 'update_titles', 'update_snapshots', 'resnapshot_snapshot', 'overwrite_snapshots', 'delete_snapshots']
    inlines = [TagInline, ArchiveResultInline]
    list_per_page = min(max(5, CONFIG.SNAPSHOTS_PER_PAGE), 5000)

    action_form = SnapshotActionForm
    paginator = AccelleratedPaginator

    save_on_top = True
    show_full_result_count = False

    def changelist_view(self, request, extra_context=None):
        self.request = request
        extra_context = extra_context or {}
        try:
            return super().changelist_view(request, extra_context | GLOBAL_CONTEXT)
        except Exception as e:
            self.message_user(request, f'Error occurred while loading the page: {str(e)} {request.GET} {request.POST}')
            return super().changelist_view(request, GLOBAL_CONTEXT)


    def get_urls(self):
        urls = super().get_urls()
        custom_urls = [
            path('grid/', self.admin_site.admin_view(self.grid_view), name='grid')
        ]
        return custom_urls + urls

    # def get_queryset(self, request):
    #     # tags_qs = SnapshotTag.objects.all().select_related('tag')
    #     # prefetch = Prefetch('snapshottag_set', queryset=tags_qs)

    #     self.request = request
    #     return super().get_queryset(request).prefetch_related('archiveresult_set').distinct()  # .annotate(archiveresult_count=Count('archiveresult'))

    @admin.action(
        description="Imported Timestamp"
    )
    def imported_timestamp(self, obj):
        context = RequestContext(self.request, {
            'bookmarked_date': obj.bookmarked,
            'timestamp': obj.timestamp,
        })

        html = Template("""{{bookmarked_date}} (<code>{{timestamp}}</code>)""")
        return mark_safe(html.render(context))
    
        # pretty_time = obj.bookmarked.strftime('%Y-%m-%d %H:%M:%S')
        # return f'{pretty_time} ({obj.timestamp})'

    # TODO: figure out a different way to do this, you cant nest forms so this doenst work
    # def action(self, obj):
    #     # csrfmiddlewaretoken: Wa8UcQ4fD3FJibzxqHN3IYrrjLo4VguWynmbzzcPYoebfVUnDovon7GEMYFRgsh0
    #     # action: update_snapshots
    #     # select_across: 0
    #     # _selected_action: 76d29b26-2a88-439e-877c-a7cca1b72bb3
    #     return format_html(
    #         '''
    #             <form action="/admin/core/snapshot/" method="post" onsubmit="e => e.stopPropagation()">
    #                 <input type="hidden" name="csrfmiddlewaretoken" value="{}">
    #                 <input type="hidden" name="_selected_action" value="{}">
    #                 <button name="update_snapshots">Check</button>
    #                 <button name="update_titles">Pull title + favicon</button>
    #                 <button name="update_snapshots">Update</button>
    #                 <button name="overwrite_snapshots">Re-Archive (overwrite)</button>
    #                 <button name="delete_snapshots">Permanently delete</button>
    #             </form>
    #         ''',
    #         csrf.get_token(self.request),
    #         obj.pk,
    #     )

    def admin_actions(self, obj):
        return format_html(
            # URL Hash: <code style="font-size: 10px; user-select: all">{}</code><br/>
            '''
            <a class="btn" style="font-size: 18px; display: inline-block; border-radius: 10px; border: 3px solid #eee; padding: 4px 8px" href="/archive/{}">Summary page ➡️</a> &nbsp; &nbsp;
            <a class="btn" style="font-size: 18px; display: inline-block; border-radius: 10px; border: 3px solid #eee; padding: 4px 8px" href="/archive/{}/index.html#all">Result files 📑</a> &nbsp; &nbsp;
            <a class="btn" style="font-size: 18px; display: inline-block; border-radius: 10px; border: 3px solid #eee; padding: 4px 8px" href="/admin/core/snapshot/?id__exact={}">Admin actions ⚙️</a>
            ''',
            obj.timestamp,
            obj.timestamp,
            obj.pk,
        )

    def status_info(self, obj):
        return format_html(
            # URL Hash: <code style="font-size: 10px; user-select: all">{}</code><br/>
            '''
            Archived: {} ({} files {}) &nbsp; &nbsp;
            Favicon: <img src="{}" style="height: 20px"/> &nbsp; &nbsp;
            Status code: {} &nbsp; &nbsp;<br/>
            Server: {} &nbsp; &nbsp;
            Content type: {} &nbsp; &nbsp;
            Extension: {} &nbsp; &nbsp;
            ''',
            '✅' if obj.is_archived else '❌',
            obj.num_outputs,
            self.size(obj) or '0kb',
            f'/archive/{obj.timestamp}/favicon.ico',
            obj.status_code or '-',
            obj.headers and obj.headers.get('Server') or '-',
            obj.headers and obj.headers.get('Content-Type') or '-',
            obj.extension or '-',
        )

    @admin.display(
        description='Title',
        ordering='title',
    )
    def title_str(self, obj):
        tags = ''.join(
            format_html('<a href="/admin/core/snapshot/?tags__id__exact={}"><span class="tag">{}</span></a> ', tag.pk, tag.name)
            for tag in obj.tags.all()
            if str(tag.name).strip()
        )
        return format_html(
            '<a href="/{}">'
                '<img src="/{}/favicon.ico" class="favicon" onerror="this.remove()">'
            '</a>'
            '<a href="/{}/index.html">'
                '<b class="status-{}">{}</b>'
            '</a>',
            obj.archive_path,
            obj.archive_path,
            obj.archive_path,
            'fetched' if obj.latest_title or obj.title else 'pending',
            urldecode(htmldecode(obj.latest_title or obj.title or ''))[:128] or 'Pending...'
        ) + mark_safe(f' <span class="tags">{tags}</span>')

    @admin.display(
        description='Files Saved',
        # ordering='archiveresult_count',
    )
    def files(self, obj):
        # return '-'
        return snapshot_icons(obj)


    @admin.display(
        # ordering='archiveresult_count'
    )
    def size(self, obj):
        archive_size = (Path(obj.link_dir) / 'index.html').exists() and obj.archive_size
        if archive_size:
            size_txt = printable_filesize(archive_size)
            if archive_size > 52428800:
                size_txt = mark_safe(f'<b>{size_txt}</b>')
        else:
            size_txt = mark_safe('<span style="opacity: 0.3">...</span>')
        return format_html(
            '<a href="/{}" title="View all files">{}</a>',
            obj.archive_path,
            size_txt,
        )


    @admin.display(
        description='Original URL',
        ordering='url',
    )
    def url_str(self, obj):
        return format_html(
            '<a href="{}"><code style="user-select: all;">{}</code></a>',
            obj.url,
            obj.url[:128],
        )

    def grid_view(self, request, extra_context=None):

        # cl = self.get_changelist_instance(request)

        # Save before monkey patching to restore for changelist list view
        saved_change_list_template = self.change_list_template
        saved_list_per_page = self.list_per_page
        saved_list_max_show_all = self.list_max_show_all

        # Monkey patch here plus core_tags.py
        self.change_list_template = 'private_index_grid.html'
        self.list_per_page = CONFIG.SNAPSHOTS_PER_PAGE
        self.list_max_show_all = self.list_per_page

        # Call monkey patched view
        rendered_response = self.changelist_view(request, extra_context=extra_context)

        # Restore values
        self.change_list_template = saved_change_list_template
        self.list_per_page = saved_list_per_page
        self.list_max_show_all = saved_list_max_show_all

        return rendered_response

    # for debugging, uncomment this to print all requests:
    # def changelist_view(self, request, extra_context=None):
    #     print('[*] Got request', request.method, request.POST)
    #     return super().changelist_view(request, extra_context=None)

    @admin.action(
        description="ℹ️ Get Title"
    )
    def update_titles(self, request, queryset):
        archive_links([
            snapshot.as_link()
            for snapshot in queryset
        ], overwrite=True, methods=('title','favicon'), out_dir=CONFIG.OUTPUT_DIR)

    @admin.action(
        description="⬇️ Get Missing"
    )
    def update_snapshots(self, request, queryset):
        archive_links([
            snapshot.as_link()
            for snapshot in queryset
        ], out_dir=CONFIG.OUTPUT_DIR)


    @admin.action(
        description="📑 Archive again"
    )
    def resnapshot_snapshot(self, request, queryset):
        for snapshot in queryset:
            timestamp = datetime.now(timezone.utc).isoformat('T', 'seconds')
            new_url = snapshot.url.split('#')[0] + f'#{timestamp}'
            add(new_url, tag=snapshot.tags_str())

    @admin.action(
        description="♲ Redo"
    )
    def overwrite_snapshots(self, request, queryset):
        archive_links([
            snapshot.as_link()
            for snapshot in queryset
        ], overwrite=True, out_dir=CONFIG.OUTPUT_DIR)

    @admin.action(
        description="☠️ Delete"
    )
    def delete_snapshots(self, request, queryset):
        remove(snapshots=queryset, yes=True, delete=True, out_dir=CONFIG.OUTPUT_DIR)


    @admin.action(
        description="+"
    )
    def add_tags(self, request, queryset):
        tags = request.POST.getlist('tags')
        print('[+] Adding tags', tags, 'to Snapshots', queryset)
        for obj in queryset:
            obj.tags.add(*tags)


    @admin.action(
        description="–"
    )
    def remove_tags(self, request, queryset):
        tags = request.POST.getlist('tags')
        print('[-] Removing tags', tags, 'to Snapshots', queryset)
        for obj in queryset:
            obj.tags.remove(*tags)


        



# @admin.register(SnapshotTag, site=archivebox_admin)
# class SnapshotTagAdmin(ABIDModelAdmin):
#     list_display = ('id', 'snapshot', 'tag')
#     sort_fields = ('id', 'snapshot', 'tag')
#     search_fields = ('id', 'snapshot_id', 'tag_id')
#     fields = ('snapshot', 'id')
#     actions = ['delete_selected']
#     ordering = ['-id']



@admin.register(Tag, site=archivebox_admin)
class TagAdmin(ABIDModelAdmin):
    list_display = ('created_at', 'created_by', 'abid', 'name', 'num_snapshots', 'snapshots')
    list_filter = ('created_at', 'created_by')
    sort_fields = ('name', 'slug', 'abid', 'created_by', 'created_at')
    readonly_fields = ('slug', 'abid', 'created_at', 'modified_at', 'abid_info', 'snapshots')
    search_fields = ('abid', 'name', 'slug')
    fields = ('name', 'created_by', *readonly_fields)
    actions = ['delete_selected']
    ordering = ['-created_at']

    paginator = AccelleratedPaginator


    def num_snapshots(self, tag):
        return format_html(
            '<a href="/admin/core/snapshot/?tags__id__exact={}">{} total</a>',
            tag.id,
            tag.snapshot_set.count(),
        )

    def snapshots(self, tag):
        total_count = tag.snapshot_set.count()
        return mark_safe('<br/>'.join(
            format_html(
                '<code><a href="/admin/core/snapshot/{}/change"><b>[{}]</b></a></code> {}',
                snap.pk,
                snap.downloaded_at.strftime('%Y-%m-%d %H:%M') if snap.downloaded_at else 'pending...',
                snap.url[:64],
            )
            for snap in tag.snapshot_set.order_by('-downloaded_at')[:10]
        ) + (f'<br/><a href="/admin/core/snapshot/?tags__id__exact={tag.id}">{total_count} total snapshots...<a>'))


@admin.register(ArchiveResult, site=archivebox_admin)
class ArchiveResultAdmin(ABIDModelAdmin):
    list_display = ('start_ts', 'snapshot_info', 'tags_str', 'extractor', 'cmd_str', 'status', 'output_str')
    sort_fields = ('start_ts', 'extractor', 'status')
    readonly_fields = ('cmd_str', 'snapshot_info', 'tags_str', 'created_at', 'modified_at', 'abid_info', 'output_summary')
    search_fields = ('id', 'abid', 'snapshot__url', 'extractor', 'output', 'cmd_version', 'cmd', 'snapshot__timestamp')
    fields = ('snapshot', 'extractor', 'status', 'output', 'pwd', 'start_ts', 'end_ts', 'created_by', 'cmd_version', 'cmd', *readonly_fields)
    autocomplete_fields = ['snapshot']

    list_filter = ('status', 'extractor', 'start_ts', 'cmd_version')
    ordering = ['-start_ts']
    list_per_page = CONFIG.SNAPSHOTS_PER_PAGE
    
    paginator = AccelleratedPaginator
    save_on_top = True

    def change_view(self, request, object_id, form_url="", extra_context=None):
        self.request = request
        return super().change_view(request, object_id, form_url, extra_context)

    @admin.display(
        description='Snapshot Info'
    )
    def snapshot_info(self, result):
        return format_html(
            '<a href="/archive/{}/index.html"><b><code>[{}]</code></b> &nbsp; {} &nbsp; {}</a><br/>',
            result.snapshot.timestamp,
            result.snapshot.abid,
            result.snapshot.bookmarked_at.strftime('%Y-%m-%d %H:%M'),
            result.snapshot.url[:128],
        )


    @admin.display(
        description='Snapshot Tags'
    )
    def tags_str(self, result):
        return result.snapshot.tags_str()

    def cmd_str(self, result):
        return format_html(
            '<pre>{}</pre>',
            ' '.join(result.cmd) if isinstance(result.cmd, list) else str(result.cmd),
        )
    
    def output_str(self, result):
        return format_html(
            '<a href="/archive/{}/{}" class="output-link">↗️</a><pre>{}</pre>',
            result.snapshot.timestamp,
            result.output if (result.status == 'succeeded') and result.extractor not in ('title', 'archive_org') else 'index.html',
            result.output,
        )

    def output_summary(self, result):
        snapshot_dir = Path(CONFIG.OUTPUT_DIR) / str(result.pwd).split('data/', 1)[-1]
        output_str = format_html(
            '<pre style="display: inline-block">{}</pre><br/>',
            result.output,
        )
        output_str += format_html('<a href="/archive/{}/index.html#all">See result files ...</a><br/><pre><code>', str(result.snapshot.timestamp))
        path_from_output_str = (snapshot_dir / result.output)
        output_str += format_html('<i style="padding: 1px">{}</i><b style="padding-right: 20px">/</b><i>{}</i><br/><hr/>', str(snapshot_dir), str(result.output))
        if path_from_output_str.exists():
            root_dir = str(path_from_output_str)
        else:
            root_dir = str(snapshot_dir)


        # print(root_dir, str(list(os.walk(root_dir))))

        for root, dirs, files in os.walk(root_dir):
            depth = root.replace(root_dir, '').count(os.sep) + 1
            if depth > 2:
                continue
            indent = ' ' * 4 * (depth)
            output_str += format_html('<b style="padding: 1px">{}{}/</b><br/>', indent, os.path.basename(root))
            indentation_str = ' ' * 4 * (depth + 1)
            for filename in sorted(files):
                is_hidden = filename.startswith('.')
                output_str += format_html('<span style="opacity: {}.2">{}{}</span><br/>', int(not is_hidden), indentation_str, filename.strip())

        return output_str + format_html('</code></pre>')



@admin.register(APIToken, site=archivebox_admin)
class APITokenAdmin(ABIDModelAdmin):
    list_display = ('created_at', 'abid', 'created_by', 'token_redacted', 'expires')
    sort_fields = ('abid', 'created_at', 'created_by', 'expires')
    readonly_fields = ('created_at', 'modified_at', 'abid_info')
    search_fields = ('id', 'abid', 'created_by__username', 'token')
    fields = ('created_by', 'token', 'expires', *readonly_fields)

    list_filter = ('created_by',)
    ordering = ['-created_at']
    list_per_page = 100

@admin.register(get_webhook_model(), site=archivebox_admin)
class CustomWebhookAdmin(WebhookAdmin, ABIDModelAdmin):
    list_display = ('created_at', 'created_by', 'abid', *WebhookAdmin.list_display)
    sort_fields = ('created_at', 'created_by', 'abid', 'referenced_model', 'endpoint', 'last_success', 'last_error')
    readonly_fields = ('created_at', 'modified_at', 'abid_info', *WebhookAdmin.readonly_fields)