from django.contrib import admin

from .models import (
    CmsRedRiverVeteransScholarship,
    CertificationDefinition,
    Certification,
    CertificationVersion,
    InstructorOrVendor,
    SpecialProgram,
    Waiver,
)


class CertificationVersionInline(admin.TabularInline):
    model = CertificationVersion
    extra = 1


@admin.register(CertificationVersion)
class CertificationVersionAdmin(admin.ModelAdmin):
    search_fields = ["definition__certification_name", "version"]
    list_display = ["definition", "version"]
    list_filter = ["definition__department", "definition__certification_name"]


@admin.register(CertificationDefinition)
class CertificationDefinitionAdmin(admin.ModelAdmin):
    search_fields = ["certification_name"]
    list_display = ["certification_name", "department"]
    list_filter = ["department"]
    inlines = [CertificationVersionInline]


@admin.register(Certification)
class CertificationAdmin(admin.ModelAdmin):
    search_fields = [
        "name",
        "certification__certification_name",
        "certification__department",
    ]
    autocomplete_fields = ["member"]
    exclude = ["shop_lead_notified"]

    @admin.display(
        description="Certification Name",
        ordering="certification_version__definition__certification_name",
    )
    def certification_name(self, obj):
        return obj.certification_version.definition.certification_name

    @admin.display(
        description="Certification Version", ordering="certification_version__version"
    )
    def certification_version_version(self, obj):
        return obj.certification_version.version

    @admin.display(
        description="Department",
        ordering="certification_version__definition__department",
    )
    def certification_department(self, obj):
        return obj.certification_version.definition.department

    list_display = [
        "certification_name",
        "name",
        "certification_version_version",
        "certification_department",
        "date",
        "shop_lead_notified",
        "certified_by",
    ]
    list_display_links = [
        "certification_name",
        "name",
    ]
    list_filter = [
        "certification_version__definition__department",
        ("shop_lead_notified", admin.EmptyFieldListFilter),
    ]


@admin.register(InstructorOrVendor)
class InstructorOrVendorAdmin(admin.ModelAdmin):
    search_fields = ["name"]


@admin.register(SpecialProgram)
class SpecialProgramAdmin(admin.ModelAdmin):
    search_fields = ["program_name"]


@admin.register(Waiver)
class WaiverAdmin(admin.ModelAdmin):
    search_fields = ["name"]


admin.site.register(CmsRedRiverVeteransScholarship)