# Copyright (c) 2025 Patrick Motsch
# All rights reserved.
"""UI language sets: global i18n strings (German key -> translated value)."""

from typing import Dict, Optional, Literal

from pydantic import Field

from modules.datamodels.datamodelBase import PowerOnModel
from modules.shared.attributeUtils import registerModelLabels


UiLanguageStatus = Literal["complete", "incomplete", "generating"]


class UiLanguageSet(PowerOnModel):
    """
    One row per ISO 639-1 UI language. id equals code (e.g. de, en).
    keys: flat map German plaintext key -> translation for this language.
    For language de, values equal keys.
    """

    id: str = Field(
        ...,
        description="ISO 639-1 language code (primary key), e.g. de, en, fr",
        json_schema_extra={
            "frontend_type": "text",
            "frontend_readonly": False,
            "frontend_required": True,
        },
    )
    label: str = Field(
        ...,
        description="Human-readable language name",
        json_schema_extra={
            "frontend_type": "text",
            "frontend_readonly": False,
            "frontend_required": True,
        },
    )
    keys: Dict[str, str] = Field(
        default_factory=dict,
        description="German plaintext key -> translated label",
        json_schema_extra={
            "frontend_type": "textarea",
            "frontend_readonly": False,
            "frontend_required": False,
        },
    )
    status: UiLanguageStatus = Field(
        default="complete",
        description="complete | incomplete | generating",
        json_schema_extra={
            "frontend_type": "select",
            "frontend_readonly": False,
            "frontend_required": True,
            "frontend_options": [
                {"value": "complete", "label": {"de": "Vollständig", "en": "Complete"}},
                {"value": "incomplete", "label": {"de": "Unvollständig", "en": "Incomplete"}},
                {"value": "generating", "label": {"de": "Wird erzeugt", "en": "Generating"}},
            ],
        },
    )
    isDefault: bool = Field(
        default=False,
        description="Exactly one set should be default (de)",
        json_schema_extra={
            "frontend_type": "boolean",
            "frontend_readonly": False,
            "frontend_required": False,
        },
    )


registerModelLabels(
    "UiLanguageSet",
    {"en": "UI Language Set", "de": "UI-Sprachset"},
    {
        "id": {"en": "Code", "de": "Code"},
        "label": {"en": "Label", "de": "Bezeichnung"},
        "keys": {"en": "Keys", "de": "Schlüssel"},
        "status": {"en": "Status", "de": "Status"},
        "isDefault": {"en": "Default", "de": "Standard"},
    },
)