import django.forms as forms
from django.contrib import admin
from django.forms import ModelForm
from django.http import HttpResponse
from django.core import serializers

from troggle.core.views_other import downloadLogbook
from troggle.core.models import Person, PersonExpedition, Expedition, DataIssue
from troggle.core.models_caves import Cave, Area, Entrance, CaveAndEntrance, LogbookEntry, PersonTrip, QM
from troggle.core.models_survex import SurvexBlock, SurvexPersonRole, SurvexStation, ScansFolder, SingleScan


class TroggleModelAdmin(admin.ModelAdmin):
    
    def save_model(self, request, obj, form, change):
        """overriding admin save to fill the new_since parsing_field"""
        obj.new_since_parsing=True
        obj.save()
    
    class Media:
        js = ('jquery/jquery.min.js','js/QM_helper.js')


class RoleInline(admin.TabularInline):
    model = SurvexPersonRole
    extra = 4


class SurvexBlockAdmin(TroggleModelAdmin):
    inlines = (RoleInline,)


class SurveyAdmin(TroggleModelAdmin):
    #inlines = (ScannedImageInline,)
    search_fields = ('expedition__year','wallet_number')    


class QMsFoundInline(admin.TabularInline):
    model=QM
    fk_name='found_by'
    fields=('number','grade','location_description','comment')#need to add foreignkey to cave part
    extra=1
    

class PersonTripInline(admin.TabularInline):
    model = PersonTrip
    raw_id_fields = ('personexpedition',)
    extra = 1


class LogbookEntryAdmin(TroggleModelAdmin):
    prepopulated_fields = {'slug':("title",)} 
    search_fields = ('title','expedition__year')
    date_heirarchy = ('date')
    inlines = (PersonTripInline, QMsFoundInline)
    class Media:
        css = {
            "all": ("css/troggleadmin.css",)
        }
    actions=('export_logbook_entries_as_html','export_logbook_entries_as_txt')
    
    def export_logbook_entries_as_html(self, modeladmin, request, queryset):
        response=downloadLogbook(request=request, queryset=queryset, extension='html')
        return response
        
    def export_logbook_entries_as_txt(self, modeladmin, request, queryset):
        response=downloadLogbook(request=request, queryset=queryset, extension='txt')
        return response


class PersonExpeditionInline(admin.TabularInline):
    model = PersonExpedition
    extra = 1


class PersonAdmin(TroggleModelAdmin):
    search_fields = ('first_name','last_name')
    inlines = (PersonExpeditionInline,)


class QMAdmin(TroggleModelAdmin):
    search_fields = ('found_by__cave__kataster_number','number','found_by__date')
    list_display = ('__str__','grade','found_by','ticked_off_by')
    list_display_links = ('__str__',)
    list_editable = ('found_by','ticked_off_by','grade')
    list_per_page = 20
    raw_id_fields=('found_by','ticked_off_by')


class PersonExpeditionAdmin(TroggleModelAdmin):
    search_fields = ('person__first_name','expedition__year')


class CaveAdmin(TroggleModelAdmin):
    search_fields = ('official_name','kataster_number','unofficial_number')
    extra = 4


class EntranceAdmin(TroggleModelAdmin):
    search_fields = ('caveandentrance__cave__kataster_number',)


admin.site.register(Cave, CaveAdmin)
admin.site.register(Area)
admin.site.register(CaveAndEntrance)
admin.site.register(Entrance, EntranceAdmin)
admin.site.register(SurvexBlock, SurvexBlockAdmin)
admin.site.register(Expedition)
admin.site.register(Person,PersonAdmin)
admin.site.register(SurvexPersonRole)
admin.site.register(PersonExpedition,PersonExpeditionAdmin)
admin.site.register(LogbookEntry, LogbookEntryAdmin)
admin.site.register(QM, QMAdmin)
admin.site.register(SurvexStation)
admin.site.register(ScansFolder)
admin.site.register(SingleScan)
admin.site.register(DataIssue)

def export_as_json(modeladmin, request, queryset):
    response = HttpResponse(content_type="text/json")
    response['Content-Disposition'] = 'attachment; filename=troggle_output.json'
    serializers.serialize("json", queryset, stream=response)
    return response


def export_as_xml(modeladmin, request, queryset):
    response = HttpResponse(content_type="text/xml")
    response['Content-Disposition'] = 'attachment; filename=troggle_output.xml'
    serializers.serialize("xml", queryset, stream=response)
    return response


admin.site.add_action(export_as_xml)
admin.site.add_action(export_as_json)
