from django.contrib import admin
from .models import (
    Project,
    ProjectMembership,
    ProjectStage,
    ProjectExternalBinding,
    ProjectEvent,
    DailyAllocation,
    AllocationRevision,
    AllocationReminder,
)


class MembershipInline(admin.TabularInline):
    model = ProjectMembership
    extra = 0


class StageInline(admin.TabularInline):
    model = ProjectStage
    extra = 0


@admin.register(Project)
class ProjectAdmin(admin.ModelAdmin):
    list_display = ["name", "manager", "status", "starts_on", "ends_on"]
    list_filter = ["status"]
    search_fields = ["name", "customer"]
    inlines = [MembershipInline, StageInline]


@admin.register(ProjectExternalBinding)
class BindingAdmin(admin.ModelAdmin):
    list_display = ["project", "source", "external_name", "external_id"]
    search_fields = ["project__name", "external_name", "external_id"]


class ReadOnlyAdmin(admin.ModelAdmin):
    def has_add_permission(self, request):
        return False

    def has_change_permission(self, request, obj=None):
        return False

    def has_delete_permission(self, request, obj=None):
        return False


admin.site.register(ProjectEvent, ReadOnlyAdmin)
admin.site.register(DailyAllocation, ReadOnlyAdmin)
admin.site.register(AllocationRevision, ReadOnlyAdmin)
admin.site.register(AllocationReminder)