package main

import (
	"bytes"
	"context"
	"errors"
	"os"
	"os/exec"
	"path/filepath"
	"testing"

	"gitea.maximumdirect.net/eric/ReleaseKit/cmd/releasekit/internal/cli"
)

func TestCandidateCheckUsesCommittedDeclarationSymlink(t *testing.T) {
	repository := newCLIRepository(t)
	if err := os.Rename(filepath.Join(repository, "go.mod"), filepath.Join(repository, "module.txt")); err != nil {
		t.Fatal(err)
	}
	if err := os.Symlink("module.txt", filepath.Join(repository, "go.mod")); err != nil {
		t.Fatal(err)
	}
	writeDeliveryProfile(t, repository, cli.Settings{Product: "Example Product"})
	cliGitRun(t, repository, "add", ".")
	cliGitRun(t, repository, "commit", "-m", "Use committed declaration symlink")
	var stdout, stderr bytes.Buffer
	if status := run(context.Background(), []string{"check", "--repo", repository, "v1.2.3"}, &stdout, &stderr); status != 0 {
		t.Fatalf("linked declaration check status=%d stderr=%s", status, stderr.String())
	}
}

func TestPageOnlyDeliveryUsesCommittedModuleInSparseCheckout(t *testing.T) {
	repository := newCLIRepository(t)
	const module = "apps/widget"
	writeRepositoryFile(t, repository, module+"/go.mod", "module example.com/widget\n\ngo 1.26.0\n")
	writeRepositoryFile(t, repository, module+"/docs/releases/v1.2.3.md", "# Example Product v1.2.3\n\nNested release note.\n")
	cliGitRun(t, repository, "add", ".")
	cliGitRun(t, repository, "commit", "-m", "Add sparse release module")
	state := &deliveryServerState{tag: module + "/v1.2.3"}
	server := newDeliveryServer(t, state)
	defer server.Close()
	writeDeliveryProfile(t, repository, cli.Settings{Product: "Example Product", ModuleDir: module,
		Delivery: &cli.DeliverySettings{BaseURL: server.URL, Owner: "owner", Repository: "example"},
	})
	state.commit = cliGitOutput(t, repository, "rev-parse", "HEAD")
	cliGitRun(t, repository, "tag", state.tag)
	cliGitRun(t, repository, "checkout", "--detach", state.tag)
	cliGitRun(t, repository, "sparse-checkout", "set", "--cone", "docs")
	if _, err := os.Stat(filepath.Join(repository, filepath.FromSlash(module))); !errors.Is(err, os.ErrNotExist) {
		t.Fatalf("module fixture is materialized: %v", err)
	}
	t.Setenv("RELEASEKIT_GITEA_TOKEN", "fixture-token")
	gitOnly := t.TempDir()
	gitPath, err := exec.LookPath("git")
	if err != nil {
		t.Fatal(err)
	}
	if err := os.Symlink(gitPath, filepath.Join(gitOnly, "git")); err != nil {
		t.Fatal(err)
	}
	t.Setenv("PATH", gitOnly)
	for _, args := range [][]string{
		{"deliver", "--repo", repository, "v1.2.3"},
		{"ci-deliver", "--repo", repository, "--prepared", "--expected-module", module, "--commit", state.commit, state.tag},
	} {
		var stdout, stderr bytes.Buffer
		if status := run(context.Background(), args, &stdout, &stderr); status != 0 || state.releaseCreates != 1 || state.assetUploads != 0 {
			t.Fatalf("%s sparse delivery status=%d creates=%d uploads=%d stderr=%s", args[0], status, state.releaseCreates, state.assetUploads, stderr.String())
		}
	}
}