package gitea_test

import (
	"errors"
	"testing"

	"code.icb4dc0.de/prskr/nitter/nitters"
	"code.icb4dc0.de/prskr/nitter/nitters/gitea"
)

func TestGiteaPRConfig_Validate(t *testing.T) {
	t.Parallel()
	tests := []struct {
		name         string
		cfg          gitea.GiteaPRConfig
		errorMatcher func(err error) error
	}{
		{
			name:         "Missing namespace",
			cfg:          gitea.GiteaPRConfig{},
			errorMatcher: expectError(nitters.ErrMissingNamespace),
		},
		{
			name: "Missing repo",
			cfg: gitea.GiteaPRConfig{
				GiteaConfig: gitea.GiteaConfig{
					Config: nitters.Config{
						Namespace: "some",
					},
				},
			},
			errorMatcher: expectError(nitters.ErrMissingRepo),
		},
		{
			name: "Missing base address",
			cfg: gitea.GiteaPRConfig{
				GiteaConfig: gitea.GiteaConfig{
					Config: nitters.Config{
						Namespace: "some",
						Repo:      "repo",
					},
				},
			},
			errorMatcher: expectError(gitea.ErrMissingBaseAddress),
		},
		{
			name: "Missing token",
			cfg: gitea.GiteaPRConfig{
				GiteaConfig: gitea.GiteaConfig{
					Config: nitters.Config{
						Namespace: "some",
						Repo:      "repo",
					},
					BaseAddress: "http://my-forgejo:3000",
				},
			},
			errorMatcher: expectError(gitea.ErrMissingToken),
		},
		{
			name: "Missing pull request index",
			cfg: gitea.GiteaPRConfig{
				GiteaConfig: gitea.GiteaConfig{
					Config: nitters.Config{
						Namespace: "some",
						Repo:      "repo",
					},
					BaseAddress: "http://my-forgejo:3000",
					Token:       "sup3rS3cur3",
				},
			},
			errorMatcher: expectError(gitea.ErrMissingPRIndex),
		},
		{
			name: "All set",
			cfg: gitea.GiteaPRConfig{
				GiteaConfig: gitea.GiteaConfig{
					Config: nitters.Config{
						Namespace: "some",
						Repo:      "repo",
					},
					BaseAddress: "http://my-forgejo:3000",
					Token:       "sup3rS3cur3",
				},
				PRIndex: 11,
			},
			errorMatcher: expectError(nil),
		},
	}
	for _, tc := range tests {
		tt := tc
		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()
			if err := tt.errorMatcher(tt.cfg.Validate()); err != nil {
				t.Errorf("Validate() error = %v", err)
			}
		})
	}
}

func expectError(errorToIgnore error) func(err error) error {
	return func(err error) error {
		if errors.Is(err, errorToIgnore) {
			return nil
		}
		return err
	}
}