import { describe, expect, it } from "vitest";
import { applyTemplate, type TemplateContext } from "./templating.js";

describe("applyTemplate", () => {
  it("renders primitive values", () => {
    const ctx = { MessageSid: "sid", IsNewSession: "no" } as TemplateContext;
    const overrides = ctx as Record<string, unknown>;
    overrides.MessageSid = 42;
    overrides.IsNewSession = true;

    expect(applyTemplate("sid={{MessageSid}} new={{IsNewSession}}", ctx)).toBe("sid=42 new=true");
  });

  it("renders arrays of primitives", () => {
    const ctx = { MediaPaths: ["a"] } as TemplateContext;
    (ctx as Record<string, unknown>).MediaPaths = ["a", 2, true, null, { ok: false }];

    expect(applyTemplate("paths={{MediaPaths}}", ctx)).toBe("paths=a,2,true");
  });

  it("drops object values", () => {
    const ctx: TemplateContext = { CommandArgs: { raw: "go" } };

    expect(applyTemplate("args={{CommandArgs}}", ctx)).toBe("args=");
  });

  it("renders missing placeholders as empty", () => {
    const ctx: TemplateContext = {};

    expect(applyTemplate("missing={{Missing}}", ctx)).toBe("missing=");
  });
});