import { describe, expect, it } from "bun:test";
import {
  executeScriptInContainer,
  runTerraformApply,
  runTerraformInit,
  testRequiredVariables,
} from "../test";

describe("git-clone", async () => {
  await runTerraformInit(import.meta.dir);

  testRequiredVariables(import.meta.dir, {
    agent_id: "foo",
    url: "foo",
  });

  it("fails without git", async () => {
    const state = await runTerraformApply(import.meta.dir, {
      agent_id: "foo",
      url: "some-url",
    });
    const output = await executeScriptInContainer(state, "alpine");
    expect(output.exitCode).toBe(1);
    expect(output.stdout).toEqual(["Git is not installed!"]);
  });

  it("runs with git", async () => {
    const state = await runTerraformApply(import.meta.dir, {
      agent_id: "foo",
      url: "fake-url",
    });
    const output = await executeScriptInContainer(state, "alpine/git");
    expect(output.exitCode).toBe(128);
    expect(output.stdout).toEqual([
      "Creating directory ~/fake-url...",
      "Cloning fake-url to ~/fake-url...",
    ]);
  });

  it("repo_dir should match repo name for https", async () => {
    const url = "https://github.com/coder/coder.git";
    const state = await runTerraformApply(import.meta.dir, {
      agent_id: "foo",
      base_dir: "/tmp",
      url,
    });
    expect(state.outputs.repo_dir.value).toEqual("/tmp/coder");
    expect(state.outputs.folder_name.value).toEqual("coder");
    expect(state.outputs.clone_url.value).toEqual(url);
    expect(state.outputs.web_url.value).toEqual(url);
    expect(state.outputs.branch_name.value).toEqual("");
  });

  it("repo_dir should match repo name for https without .git", async () => {
    const url = "https://github.com/coder/coder";
    const state = await runTerraformApply(import.meta.dir, {
      agent_id: "foo",
      base_dir: "/tmp",
      url,
    });
    expect(state.outputs.repo_dir.value).toEqual("/tmp/coder");
    expect(state.outputs.clone_url.value).toEqual(url);
    expect(state.outputs.web_url.value).toEqual(url);
    expect(state.outputs.branch_name.value).toEqual("");
  });

  it("repo_dir should match repo name for ssh", async () => {
    const url = "git@github.com:coder/coder.git";
    const state = await runTerraformApply(import.meta.dir, {
      agent_id: "foo",
      base_dir: "/tmp",
      url,
    });
    expect(state.outputs.repo_dir.value).toEqual("/tmp/coder");
    expect(state.outputs.git_provider.value).toEqual("");
    expect(state.outputs.clone_url.value).toEqual(url);
    const https_url = "https://github.com/coder/coder.git";
    expect(state.outputs.web_url.value).toEqual(https_url);
    expect(state.outputs.branch_name.value).toEqual("");
  });

  it("repo_dir should match base_dir/folder_name", async () => {
    const url = "git@github.com:coder/coder.git";
    const state = await runTerraformApply(import.meta.dir, {
      agent_id: "foo",
      base_dir: "/tmp",
      folder_name: "foo",
      url,
    });
    expect(state.outputs.repo_dir.value).toEqual("/tmp/foo");
    expect(state.outputs.folder_name.value).toEqual("foo");
    expect(state.outputs.clone_url.value).toEqual(url);
    const https_url = "https://github.com/coder/coder.git";
    expect(state.outputs.web_url.value).toEqual(https_url);
    expect(state.outputs.branch_name.value).toEqual("");
  });

  it("branch_name should not include query string", async () => {
    const state = await runTerraformApply(import.meta.dir, {
      agent_id: "foo",
      url: "https://gitlab.com/mike.brew/repo-tests.log/-/tree/feat/branch?ref_type=heads",
    });
    expect(state.outputs.repo_dir.value).toEqual("~/repo-tests.log");
    expect(state.outputs.folder_name.value).toEqual("repo-tests.log");
    const https_url = "https://gitlab.com/mike.brew/repo-tests.log";
    expect(state.outputs.clone_url.value).toEqual(https_url);
    expect(state.outputs.web_url.value).toEqual(https_url);
    expect(state.outputs.branch_name.value).toEqual("feat/branch");
  });

  it("branch_name should not include fragments", async () => {
    const state = await runTerraformApply(import.meta.dir, {
      agent_id: "foo",
      base_dir: "/tmp",
      url: "https://gitlab.com/mike.brew/repo-tests.log/-/tree/feat/branch#name",
    });
    expect(state.outputs.repo_dir.value).toEqual("/tmp/repo-tests.log");
    const https_url = "https://gitlab.com/mike.brew/repo-tests.log";
    expect(state.outputs.clone_url.value).toEqual(https_url);
    expect(state.outputs.web_url.value).toEqual(https_url);
    expect(state.outputs.branch_name.value).toEqual("feat/branch");
  });

  it("gitlab url with branch should match", async () => {
    const state = await runTerraformApply(import.meta.dir, {
      agent_id: "foo",
      base_dir: "/tmp",
      url: "https://gitlab.com/mike.brew/repo-tests.log/-/tree/feat/branch",
    });
    expect(state.outputs.repo_dir.value).toEqual("/tmp/repo-tests.log");
    expect(state.outputs.git_provider.value).toEqual("gitlab");
    const https_url = "https://gitlab.com/mike.brew/repo-tests.log";
    expect(state.outputs.clone_url.value).toEqual(https_url);
    expect(state.outputs.web_url.value).toEqual(https_url);
    expect(state.outputs.branch_name.value).toEqual("feat/branch");
  });

  it("github url with branch should match", async () => {
    const state = await runTerraformApply(import.meta.dir, {
      agent_id: "foo",
      base_dir: "/tmp",
      url: "https://github.com/michaelbrewer/repo-tests.log/tree/feat/branch",
    });
    expect(state.outputs.repo_dir.value).toEqual("/tmp/repo-tests.log");
    expect(state.outputs.git_provider.value).toEqual("github");
    const https_url = "https://github.com/michaelbrewer/repo-tests.log";
    expect(state.outputs.clone_url.value).toEqual(https_url);
    expect(state.outputs.web_url.value).toEqual(https_url);
    expect(state.outputs.branch_name.value).toEqual("feat/branch");
  });

  it("self-host git url with branch should match", async () => {
    const state = await runTerraformApply(import.meta.dir, {
      agent_id: "foo",
      base_dir: "/tmp",
      url: "https://git.example.com/example/project/-/tree/feat/example",
      git_providers: `
      {
        "https://git.example.com/" = {
          provider = "gitlab"
        }
      }`,
    });
    expect(state.outputs.repo_dir.value).toEqual("/tmp/project");
    expect(state.outputs.git_provider.value).toEqual("gitlab");
    const https_url = "https://git.example.com/example/project";
    expect(state.outputs.clone_url.value).toEqual(https_url);
    expect(state.outputs.web_url.value).toEqual(https_url);
    expect(state.outputs.branch_name.value).toEqual("feat/example");
  });

  it("handle unsupported git provider configuration", async () => {
    const t = async () => {
      await runTerraformApply(import.meta.dir, {
        agent_id: "foo",
        url: "foo",
        git_providers: `
        {
          "https://git.example.com/" = {
            provider = "bitbucket"
          }
        }`,
      });
    };
    expect(t).toThrow('Allowed values for provider are "github" or "gitlab".');
  });

  it("handle unknown git provider url", async () => {
    const url = "https://git.unknown.com/coder/coder";
    const state = await runTerraformApply(import.meta.dir, {
      agent_id: "foo",
      base_dir: "/tmp",
      url,
    });
    expect(state.outputs.repo_dir.value).toEqual("/tmp/coder");
    expect(state.outputs.clone_url.value).toEqual(url);
    expect(state.outputs.web_url.value).toEqual(url);
    expect(state.outputs.branch_name.value).toEqual("");
  });

  it("runs with github clone with switch to feat/branch", async () => {
    const state = await runTerraformApply(import.meta.dir, {
      agent_id: "foo",
      url: "https://github.com/michaelbrewer/repo-tests.log/tree/feat/branch",
    });
    const output = await executeScriptInContainer(state, "alpine/git");
    expect(output.exitCode).toBe(0);
    expect(output.stdout).toEqual([
      "Creating directory ~/repo-tests.log...",
      "Cloning https://github.com/michaelbrewer/repo-tests.log to ~/repo-tests.log on branch feat/branch...",
    ]);
  });

  it("runs with gitlab clone with switch to feat/branch", async () => {
    const state = await runTerraformApply(import.meta.dir, {
      agent_id: "foo",
      url: "https://gitlab.com/mike.brew/repo-tests.log/-/tree/feat/branch",
    });
    const output = await executeScriptInContainer(state, "alpine/git");
    expect(output.exitCode).toBe(0);
    expect(output.stdout).toEqual([
      "Creating directory ~/repo-tests.log...",
      "Cloning https://gitlab.com/mike.brew/repo-tests.log to ~/repo-tests.log on branch feat/branch...",
    ]);
  });

  it("runs with github clone with branch_name set to feat/branch", async () => {
    const url = "https://github.com/michaelbrewer/repo-tests.log";
    const branch_name = "feat/branch";
    const state = await runTerraformApply(import.meta.dir, {
      agent_id: "foo",
      url,
      branch_name,
    });
    expect(state.outputs.repo_dir.value).toEqual("~/repo-tests.log");
    expect(state.outputs.clone_url.value).toEqual(url);
    expect(state.outputs.web_url.value).toEqual(url);
    expect(state.outputs.branch_name.value).toEqual(branch_name);

    const output = await executeScriptInContainer(state, "alpine/git");
    expect(output.exitCode).toBe(0);
    expect(output.stdout).toEqual([
      "Creating directory ~/repo-tests.log...",
      "Cloning https://github.com/michaelbrewer/repo-tests.log to ~/repo-tests.log on branch feat/branch...",
    ]);
  });
});