import { describe, expect, it } from "vitest";
import {
  mergeCustomModelsIntoStore,
  type CustomModelItem,
} from "@/components/providers/forms/OmoFormFields";

describe("mergeCustomModelsIntoStore", () => {
  it("保留自定义项高级字段，并在模型变更时仅按需清理非法 variant", () => {
    const store = {
      sisyphus: { model: "builtin-model" },
      "custom-agent": {
        model: "model-a",
        variant: "fast",
        temperature: 0.2,
        permission: { edit: "allow" },
      },
    };
    const customs: CustomModelItem[] = [
      { key: "custom-agent", model: "model-b", sourceKey: "custom-agent" },
    ];

    const merged = mergeCustomModelsIntoStore(
      store,
      new Set(["sisyphus"]),
      customs,
      { "model-b": ["precise"] },
    );

    expect(merged.sisyphus).toEqual({ model: "builtin-model" });
    expect(merged["custom-agent"]).toEqual({
      model: "model-b",
      temperature: 0.2,
      permission: { edit: "allow" },
    });
  });

  it("重命名自定义 key 时迁移原有 variant 和高级字段", () => {
    const store = {
      sisyphus: { model: "builtin-model" },
      "custom-agent-old": {
        model: "model-a",
        variant: "fast",
        maxTokens: 8192,
      },
    };
    const customs: CustomModelItem[] = [
      {
        key: "custom-agent-new",
        sourceKey: "custom-agent-old",
        model: "model-a",
      },
    ];

    const merged = mergeCustomModelsIntoStore(
      store,
      new Set(["sisyphus"]),
      customs,
      { "model-a": ["fast", "balanced"] },
    );

    expect(merged["custom-agent-old"]).toBeUndefined();
    expect(merged["custom-agent-new"]).toEqual({
      model: "model-a",
      variant: "fast",
      maxTokens: 8192,
    });
  });

  it("custom 列表为空时移除旧自定义项但保留内置项", () => {
    const store = {
      sisyphus: { model: "builtin-model" },
      hephaestus: { model: "builtin-model-2" },
      "custom-agent": { model: "model-a", temperature: 0.3 },
    };

    const merged = mergeCustomModelsIntoStore(
      store,
      new Set(["sisyphus", "hephaestus"]),
      [],
      {},
    );

    expect(merged).toEqual({
      sisyphus: { model: "builtin-model" },
      hephaestus: { model: "builtin-model-2" },
    });
  });

  it("清空 model 时保留高级字段并移除 model/variant", () => {
    const store = {
      sisyphus: { model: "builtin-model" },
      "custom-agent": {
        model: "model-a",
        variant: "fast",
        temperature: 0.7,
      },
    };
    const customs: CustomModelItem[] = [
      { key: "custom-agent", model: "", sourceKey: "custom-agent" },
    ];

    const merged = mergeCustomModelsIntoStore(
      store,
      new Set(["sisyphus"]),
      customs,
      { "model-a": ["fast"] },
    );

    expect(merged["custom-agent"]).toEqual({ temperature: 0.7 });
  });
});