from django import forms
from django.contrib import admin
from django.core.urlresolvers import reverse
from .models import Renkan, Revision, Workspace

class RenkanAdmin(admin.ModelAdmin):
    list_display = ('renkan_guid', 'current_revision_link', 'title', 'creator', 'creation_date')
    ordering = ('creation_date',)
    #readonly_fields = ('current_revision_link', 'source_revision', 'title', 'content', 'is_copy', 'revision_count', 'creation_date')
    readonly_fields = ('current_revision_link', 'title', 'content', 'is_copy', 'revision_count', 'creation_date')
    fieldsets = (
        (None, {'fields': ('renkan_guid',)}),
        ("Révision courante", {'fields': ('current_revision_link', 'title', 'content')}),
        ("Copie", {'fields': ( 'is_copy', 'source_revision',)}),
        ("Création", {'fields': ('creator', 'creation_date')}),
    )

    def current_revision_link(self, obj):
        return '<a href="%s">%s</a>' % (reverse("admin:renkanmanager_revision_change", args=(obj.current_revision.id,)), obj.current_revision.revision_guid)
    current_revision_link.allow_tags = True
    current_revision_link.short_description = "Révision courante"

class RevisionAdmin(admin.ModelAdmin):
    list_display = ('revision_guid', 'parent_renkan_link', 'creator', 'title', 'creation_date')
    ordering = ('creation_date',)
    readonly_fields = ('parent_renkan_link', 'creation_date', 'modification_date',)
    fieldsets = (
        (None, {'fields': ('revision_guid', 'parent_renkan',)}),
        ("Contenu", {'fields': ('title', 'content',)}),
        ("Création", {'fields': ('creator', 'creation_date')}),
        ("Edition", {'fields': ('last_updated_by', 'modification_date')})
    )

    def parent_renkan_link(self, obj):
        return '<a href="%s">%s</a>' % (reverse("admin:renkanmanager_renkan_change", args=(obj.parent_renkan.id,)), obj.parent_renkan.renkan_guid)

    parent_renkan_link.allow_tags = True
    parent_renkan_link.short_description = "Renkan associé"

class WorkspaceAdmin(admin.ModelAdmin):
    pass

admin.site.register(Renkan, RenkanAdmin)
admin.site.register(Revision, RevisionAdmin)
admin.site.register(Workspace)