"""模型服务商配置表单。"""

from django import forms


class ProviderConfigurationForm(forms.Form):
    """只接收用户需要决定的密钥和默认模型，不允许覆盖系统预设端点。"""

    api_key = forms.CharField(
        label="API Key",
        max_length=500,
        strip=True,
        widget=forms.PasswordInput(
            attrs={"autocomplete": "new-password", "placeholder": "粘贴服务商 API Key"}
        ),
    )
    model_id = forms.CharField(
        label="默认模型",
        max_length=160,
        required=False,
        strip=True,
        widget=forms.TextInput(attrs={"placeholder": "自动选择推荐模型"}),
    )
    use_as_default = forms.BooleanField(label="设为 Agent 默认服务商", required=False)

    def clean_api_key(self):
        """拒绝明显不完整的值，但不假设各厂商的固定前缀。"""

        api_key = self.cleaned_data["api_key"]
        if len(api_key) < 8:
            raise forms.ValidationError("API Key 长度不足，请检查是否复制完整。")
        return api_key