package agent

import "testing"

func TestParsePRRef(t *testing.T) {
	tests := []struct {
		in      string
		wantErr bool
		owner   string
		repo    string
		num     int
	}{
		{"unkin/argocd-apps#42", false, "unkin", "argocd-apps", 42},
		{"unkin/argocd-apps:42", false, "unkin", "argocd-apps", 42},
		{"  unkin/repo#1  ", false, "unkin", "repo", 1},
		{"unkin/repo#0", true, "", "", 0},
		{"unkin/repo#-3", true, "", "", 0},
		{"unkin/repo#abc", true, "", "", 0},
		{"unkin/repo", true, "", "", 0},
		{"unkinrepo#3", true, "", "", 0},
		{"unkin/a/b#3", true, "", "", 0},
		{"/repo#3", true, "", "", 0},
		{"unkin/#3", true, "", "", 0},
	}
	for _, tt := range tests {
		got, err := ParsePRRef(tt.in)
		if tt.wantErr {
			if err == nil {
				t.Errorf("ParsePRRef(%q): expected error, got %+v", tt.in, got)
			}
			continue
		}
		if err != nil {
			t.Errorf("ParsePRRef(%q): unexpected error: %v", tt.in, err)
			continue
		}
		if got.Owner != tt.owner || got.Repo != tt.repo || got.Number != tt.num {
			t.Errorf("ParsePRRef(%q) = %+v, want %s/%s#%d", tt.in, got, tt.owner, tt.repo, tt.num)
		}
	}
}

func TestPRRefString(t *testing.T) {
	r := PRRef{Owner: "unkin", Repo: "repo", Number: 7}
	if got := r.String(); got != "unkin/repo#7" {
		t.Errorf("String() = %q, want unkin/repo#7", got)
	}
	if got := r.RepoPath(); got != "unkin/repo" {
		t.Errorf("RepoPath() = %q, want unkin/repo", got)
	}
}

func TestParseRepo(t *testing.T) {
	tests := []struct {
		in      string
		wantErr bool
		owner   string
		repo    string
	}{
		{"unkin/repo", false, "unkin", "repo"},
		{" unkin/repo ", false, "unkin", "repo"},
		{"repo", true, "", ""},
		{"unkin/a/b", true, "", ""},
		{"/repo", true, "", ""},
		{"unkin/", true, "", ""},
	}
	for _, tt := range tests {
		o, r, err := ParseRepo(tt.in)
		if tt.wantErr {
			if err == nil {
				t.Errorf("ParseRepo(%q): expected error", tt.in)
			}
			continue
		}
		if err != nil || o != tt.owner || r != tt.repo {
			t.Errorf("ParseRepo(%q) = (%q,%q,%v), want (%q,%q,nil)", tt.in, o, r, err, tt.owner, tt.repo)
		}
	}
}