from django.contrib import admin

from .forms import (
    ActiveMemberForm,
    InactiveMemberForm,
    JobForm,
    JobGroupForm,
    JobInlineForm,
    MemberForm,
)
from .models import Job, JobGroup, JobMember, Member


class MemberRoleFilter(admin.SimpleListFilter):
    title = "Rolle"
    parameter_name = "role"

    def lookups(self, request, model_admin):
        return (
            ("A", "Aktiv"),
            ("P", "Pension"),
        )

    def queryset(self, request, queryset):
        if self.value() in Member.MemberRole:
            return queryset.filter(role=self.value())

        return queryset


class JobMemberInline(admin.TabularInline):
    model = JobMember
    extra = 0


class JobOverviewInline(JobMemberInline):
    verbose_name = "Tätigkeit"
    verbose_name_plural = "Tätigkeitsübersicht"

    def get_queryset(self, request):
        return JobMember.members.get_all_jobs()


class ActiveMemberInline(JobMemberInline):
    form = ActiveMemberForm
    verbose_name = "Mitglied"
    verbose_name_plural = "Aktive Mitglieder Liste"

    def get_queryset(self, request):
        return JobMember.active_member.get_queryset()


class InactiveMemberInline(JobMemberInline):
    form = InactiveMemberForm
    verbose_name = "Mitglied"
    verbose_name_plural = "Inaktive Mitglieder Liste"

    def get_queryset(self, request):
        return JobMember.inactive_member.get_queryset()


class JobInline(admin.TabularInline):
    form = JobInlineForm
    model = Job
    extra = 0
    show_change_link = True


@admin.register(Member)
class MemberAdmin(admin.ModelAdmin):
    form = MemberForm
    model = Member

    fieldsets = (
        (
            None,
            {
                "fields": (
                    (
                        "firstname",
                        "surname",
                    ),
                    "nickname",
                    "mailaccount",
                    "role",
                    "image",
                    "description",
                ),
            },
        ),
    )
    inlines = (JobOverviewInline,)

    list_display = ["nickname", "firstname", "surname", "mailaccount", "role"]
    list_filter = [MemberRoleFilter]
    ordering = ["firstname"]
    search_fields = ["firstname", "surname", "nickname", "mailaccount"]

    def add_view(self, request, form_url="", extra_context=None):
        extra_context = extra_context or {}
        extra_context["help_text"] = "Fette Schriften sind Pflichtfelder."
        return super().add_view(
            request,
            form_url,
            extra_context=extra_context,
        )

    def change_view(self, request, object_id, form_url="", extra_context=None):
        extra_context = extra_context or {}
        extra_context["help_text"] = "Fette Schriften sind Pflichtfelder."
        return super().change_view(
            request,
            object_id,
            form_url,
            extra_context=extra_context,
        )

    def save_model(self, request, obj, form, change):
        obj.author = request.user
        super().save_model(request, obj, form, change)


@admin.register(Job)
class JobAdmin(admin.ModelAdmin):
    form = JobForm
    model = Job

    list_display = ["name", "job_group"]
    ordering = ["name"]
    search_fields = ["name"]

    fieldsets = (
        (
            None,
            {
                "fields": (
                    "name",
                    "job_group",
                ),
            },
        ),
        (
            "Permalink",
            {
                "fields": (
                    "shortterm",
                    "slug",
                ),
            },
        ),
    )
    inlines = (ActiveMemberInline, InactiveMemberInline)
    readonly_fields = ["slug"]

    def add_view(self, request, form_url="", extra_context=None):
        extra_context = extra_context or {}
        extra_context["help_text"] = "Fette Schriften sind Pflichtfelder."
        return super().add_view(
            request,
            form_url,
            extra_context=extra_context,
        )

    def change_view(self, request, object_id, form_url="", extra_context=None):
        extra_context = extra_context or {}
        extra_context["help_text"] = "Fette Schriften sind Pflichfelder."
        return super().change_view(
            request,
            object_id,
            form_url,
            extra_context=extra_context,
        )

    def save_model(self, request, obj, form, change):
        obj.author = request.user
        super().save_model(request, obj, form, change)


@admin.register(JobGroup)
class JobGroupAdmin(admin.ModelAdmin):
    form = JobGroupForm
    model = JobGroup

    list_display = ["name"]
    ordering = ["name"]
    search_fields = ["name"]

    fieldsets = (
        (
            None,
            {
                "fields": (
                    "name",
                    "description",
                ),
            },
        ),
        (
            "Permalink",
            {
                "fields": (
                    "shortterm",
                    "slug",
                ),
            },
        ),
    )
    inlines = (JobInline,)
    readonly_fields = ["slug"]

    def add_view(self, request, form_url="", extra_context=None):
        extra_context = extra_context or {}
        extra_context["help_text"] = "Fette Schriften sind Pflichtfelder."
        return super().add_view(
            request,
            form_url,
            extra_context=extra_context,
        )

    def change_view(self, request, object_id, form_url="", extra_context=None):
        extra_context = extra_context or {}
        extra_context["help_text"] = "Fette Schriften sind Pflichfelder."
        return super().change_view(
            request,
            object_id,
            form_url,
            extra_context=extra_context,
        )

    def save_model(self, request, obj, form, change):
        obj.author = request.user
        super().save_model(request, obj, form, change)