import test from "node:test";
import assert from "node:assert/strict";
import path from "node:path";

const { CLI_TOOLS } = await import("../../src/shared/constants/cliTools.ts");
const { resolveOpencodeConfigPath } = await import("../../src/shared/services/cliRuntime.ts");
const { buildOpenCodeProviderConfig, mergeOpenCodeConfig } =
  await import("../../src/shared/services/opencodeConfig.ts");

test("T40: OpenCode card documents config paths and --variant usage", () => {
  const opencode = CLI_TOOLS.opencode;
  assert.ok(opencode, "OpenCode tool card must exist");

  const notesText = (opencode.notes || [])
    .map((note) => note?.text || "")
    .join(" ")
    .toLowerCase();

  assert.match(notesText, /\.config\/opencode\/opencode\.json/);
  assert.match(notesText, /%appdata%/);
  assert.match(notesText, /--variant/);
});

test("T40: OpenCode config path resolves per-platform", () => {
  const linuxWithXdg = resolveOpencodeConfigPath(
    "linux",
    { XDG_CONFIG_HOME: "/tmp/xdg-config-home" },
    "/home/dev"
  );
  assert.equal(linuxWithXdg, path.join("/tmp/xdg-config-home", "opencode", "opencode.json"));

  const linuxDefault = resolveOpencodeConfigPath("linux", {}, "/home/dev");
  assert.equal(linuxDefault, path.join("/home/dev", ".config", "opencode", "opencode.json"));

  const windowsPath = resolveOpencodeConfigPath(
    "win32",
    { APPDATA: "C:\\Users\\dev\\AppData\\Roaming" },
    "C:\\Users\\dev"
  );
  assert.equal(
    windowsPath,
    path.join("C:\\Users\\dev\\AppData\\Roaming", "opencode", "opencode.json")
  );
});

test("T40: OpenCode config generator includes endpoint and selected API key", () => {
  const providerConfig = buildOpenCodeProviderConfig({
    baseUrl: "http://localhost:20128/v1/",
    apiKey: "sk_test_opencode",
    model: "claude-sonnet-4-5-thinking",
  });
  assert.equal(providerConfig.baseURL, "http://localhost:20128/v1");
  assert.equal(providerConfig.apiKey, "sk_test_opencode");
  assert.ok(providerConfig.models.includes("claude-sonnet-4-5-thinking"));

  const mergedConfig = mergeOpenCodeConfig(
    { providers: { custom: { name: "Custom Provider" } } },
    {
      baseUrl: "http://localhost:20128/v1",
      apiKey: "sk_test_opencode",
      model: "claude-sonnet-4-5-thinking",
    }
  );
  assert.ok(mergedConfig.providers.custom);
  assert.equal(mergedConfig.providers.omniroute.baseURL, "http://localhost:20128/v1");
  assert.equal(mergedConfig.providers.omniroute.apiKey, "sk_test_opencode");
});