from django.contrib import admin
from django.utils.translation import gettext_lazy as _
from unfold.admin import ModelAdmin

from core.apps.evaluation.choices.history import EvaluationEventType
from core.apps.evaluation.models import AutoevaluationhistoryModel, QuickevaluationhistoryModel


class BaseHistoryAdmin(ModelAdmin):
    """
    History yozuvlari o'zgartirib bo'lmaydi — faqat o'qiladi.
    Signallar tomonidan avtomatik yoziladi.
    """

    list_filter = (
        "event_type",
        "actor_role",
        "created_at",
    )
    search_fields = (
        "actor_full_name",
        "meta",
    )
    ordering = ("created_at",)

    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.register(AutoevaluationhistoryModel)
class AutoevaluationhistoryAdmin(BaseHistoryAdmin):
    list_display = (
        "id",
        "auto_evaluation",
        "event_type_colored",
        "actor_full_name",
        "actor_role",
        "created_at",
    )
    autocomplete_fields = ("auto_evaluation",)
    readonly_fields = (
        "auto_evaluation",
        "event_type",
        "actor_id",
        "actor_full_name",
        "actor_role",
        "meta",
        "created_at",
    )
    fieldsets = (
        (_("Baholash"), {
            "fields": ("auto_evaluation",),
        }),
        (_("Hodisa"), {
            "fields": (
                "event_type",
                "meta",
            ),
        }),
        (_("Kim bajargan"), {
            "fields": (
                "actor_id",
                "actor_full_name",
                "actor_role",
            ),
        }),
        (_("Tizim"), {
            "classes": ("collapse",),
            "fields": ("created_at",),
        }),
    )

    @admin.display(description=_("Hodisa turi"))
    def event_type_colored(self, obj):
        colors = {
            EvaluationEventType.ORDER_CREATED: "#16a34a",
            EvaluationEventType.STATUS_CHANGED: "#2563eb",
            EvaluationEventType.EVALUATOR_ASSIGNED: "#7c3aed",
            EvaluationEventType.DOCUMENT_UPLOADED: "#d97706",
            EvaluationEventType.PAYMENT_MADE: "#dc2626",
        }
        color = colors.get(obj.event_type, "#6b7280")
        label = obj.get_event_type_display()
        from django.utils.html import format_html
        return format_html(
            '<span style="color:{}; font-weight:600;">{}</span>',
            color,
            label,
        )


@admin.register(QuickevaluationhistoryModel)
class QuickevaluationhistoryAdmin(BaseHistoryAdmin):
    list_display = (
        "id",
        "quick_evaluation",
        "event_type_colored",
        "actor_full_name",
        "actor_role",
        "created_at",
    )
    autocomplete_fields = ("quick_evaluation",)
    readonly_fields = (
        "quick_evaluation",
        "event_type",
        "actor_id",
        "actor_full_name",
        "actor_role",
        "meta",
        "created_at",
    )
    fieldsets = (
        (_("Tezkor baholash"), {
            "fields": ("quick_evaluation",),
        }),
        (_("Hodisa"), {
            "fields": (
                "event_type",
                "meta",
            ),
        }),
        (_("Kim bajargan"), {
            "fields": (
                "actor_id",
                "actor_full_name",
                "actor_role",
            ),
        }),
        (_("Tizim"), {
            "classes": ("collapse",),
            "fields": ("created_at",),
        }),
    )

    @admin.display(description=_("Hodisa turi"))
    def event_type_colored(self, obj):
        colors = {
            EvaluationEventType.ORDER_CREATED: "#16a34a",
            EvaluationEventType.STATUS_CHANGED: "#2563eb",
            EvaluationEventType.EVALUATOR_ASSIGNED: "#7c3aed",
            EvaluationEventType.DOCUMENT_UPLOADED: "#d97706",
            EvaluationEventType.PAYMENT_MADE: "#dc2626",
        }
        color = colors.get(obj.event_type, "#6b7280")
        label = obj.get_event_type_display()
        from django.utils.html import format_html
        return format_html(
            '<span style="color:{}; font-weight:600;">{}</span>',
            color,
            label,
        )