import { describe, expect, it } from "vitest";
import { resolveAuthProfileOrder } from "./auth-profiles.js";

describe("resolveAuthProfileOrder", () => {
  const store: AuthProfileStore = {
    version: 1,
    profiles: {
      "anthropic:default": {
        type: "api_key",
        provider: "anthropic",
        key: "sk-default",
      },
      "anthropic:work": {
        type: "api_key",
        provider: "anthropic",
        key: "sk-work",
      },
    },
  };
  const cfg = {
    auth: {
      profiles: {
        "anthropic:default": { provider: "anthropic", mode: "api_key" },
        "anthropic:work": { provider: "anthropic", mode: "api_key" },
      },
    },
  };

  it("does not prioritize lastGood over round-robin ordering", () => {
    const order = resolveAuthProfileOrder({
      cfg,
      store: {
        ...store,
        lastGood: { anthropic: "anthropic:work" },
        usageStats: {
          "anthropic:default": { lastUsed: 100 },
          "anthropic:work": { lastUsed: 200 },
        },
      },
      provider: "anthropic",
    });
    expect(order[0]).toBe("anthropic:default");
  });
  it("uses explicit profiles when order is missing", () => {
    const order = resolveAuthProfileOrder({
      cfg,
      store,
      provider: "anthropic",
    });
    expect(order).toEqual(["anthropic:default", "anthropic:work"]);
  });
  it("uses configured order when provided", () => {
    const order = resolveAuthProfileOrder({
      cfg: {
        auth: {
          order: { anthropic: ["anthropic:work", "anthropic:default"] },
          profiles: cfg.auth.profiles,
        },
      },
      store,
      provider: "anthropic",
    });
    expect(order).toEqual(["anthropic:work", "anthropic:default"]);
  });
  it("prefers store order over config order", () => {
    const order = resolveAuthProfileOrder({
      cfg: {
        auth: {
          order: { anthropic: ["anthropic:default", "anthropic:work"] },
          profiles: cfg.auth.profiles,
        },
      },
      store: {
        ...store,
        order: { anthropic: ["anthropic:work", "anthropic:default"] },
      },
      provider: "anthropic",
    });
    expect(order).toEqual(["anthropic:work", "anthropic:default"]);
  });
  it("pushes cooldown profiles to the end even with store order", () => {
    const now = Date.now();
    const order = resolveAuthProfileOrder({
      store: {
        ...store,
        order: { anthropic: ["anthropic:default", "anthropic:work"] },
        usageStats: {
          "anthropic:default": { cooldownUntil: now + 60_000 },
          "anthropic:work": { lastUsed: 1 },
        },
      },
      provider: "anthropic",
    });
    expect(order).toEqual(["anthropic:work", "anthropic:default"]);
  });
  it("pushes cooldown profiles to the end even with configured order", () => {
    const now = Date.now();
    const order = resolveAuthProfileOrder({
      cfg: {
        auth: {
          order: { anthropic: ["anthropic:default", "anthropic:work"] },
          profiles: cfg.auth.profiles,
        },
      },
      store: {
        ...store,
        usageStats: {
          "anthropic:default": { cooldownUntil: now + 60_000 },
          "anthropic:work": { lastUsed: 1 },
        },
      },
      provider: "anthropic",
    });
    expect(order).toEqual(["anthropic:work", "anthropic:default"]);
  });
  it("pushes disabled profiles to the end even with store order", () => {
    const now = Date.now();
    const order = resolveAuthProfileOrder({
      store: {
        ...store,
        order: { anthropic: ["anthropic:default", "anthropic:work"] },
        usageStats: {
          "anthropic:default": {
            disabledUntil: now + 60_000,
            disabledReason: "billing",
          },
          "anthropic:work": { lastUsed: 1 },
        },
      },
      provider: "anthropic",
    });
    expect(order).toEqual(["anthropic:work", "anthropic:default"]);
  });
  it("pushes disabled profiles to the end even with configured order", () => {
    const now = Date.now();
    const order = resolveAuthProfileOrder({
      cfg: {
        auth: {
          order: { anthropic: ["anthropic:default", "anthropic:work"] },
          profiles: cfg.auth.profiles,
        },
      },
      store: {
        ...store,
        usageStats: {
          "anthropic:default": {
            disabledUntil: now + 60_000,
            disabledReason: "billing",
          },
          "anthropic:work": { lastUsed: 1 },
        },
      },
      provider: "anthropic",
    });
    expect(order).toEqual(["anthropic:work", "anthropic:default"]);
  });
});