package setup

import (
	"context"
	"net/url"

	"code.gitea.io/sdk/gitea"
	giteaAdapter "forge.cadoles.com/wpetit/clearcase/internal/adapter/gitea"
	githubAdapter "forge.cadoles.com/wpetit/clearcase/internal/adapter/github"

	"forge.cadoles.com/wpetit/clearcase/internal/config"
	"forge.cadoles.com/wpetit/clearcase/internal/core/model"
	"forge.cadoles.com/wpetit/clearcase/internal/core/port"
	"forge.cadoles.com/wpetit/clearcase/internal/core/service"
	"github.com/google/go-github/v69/github"
	"github.com/pkg/errors"
)

func getForgeFactories(conf *config.Config) ([]service.ForgeFactory, error) {
	forgeFactories := make([]service.ForgeFactory, 0)

	if conf.Auth.Providers.Gitea.Key != "" && conf.Auth.Providers.Gitea.Secret != "" {
		baseURL, err := url.Parse(conf.Auth.Providers.Gitea.AuthURL)
		if err != nil {
			return nil, errors.Wrapf(err, "could not parse gitea auth url '%s'", conf.Auth.Providers.Gitea.AuthURL)
		}

		baseURL.Path = ""

		forgeFactories = append(forgeFactories, &authProviderBasedForgeFactory{
			provider: "gitea",
			create: func(ctx context.Context, user *model.User) (port.Forge, error) {
				client, err := gitea.NewClient(baseURL.String(), gitea.SetToken(user.AccessToken))
				if err != nil {
					return nil, errors.WithStack(err)
				}

				forge := giteaAdapter.NewForge(client)

				return forge, nil
			},
		})
	}

	if conf.Auth.Providers.Github.Key != "" && conf.Auth.Providers.Github.Secret != "" {
		forgeFactories = append(forgeFactories, &authProviderBasedForgeFactory{
			provider: "github",
			create: func(ctx context.Context, user *model.User) (port.Forge, error) {
				client := github.NewClient(nil).WithAuthToken(user.AccessToken)
				forge := githubAdapter.NewForge(client)

				return forge, nil
			},
		})
	}

	return forgeFactories, nil
}