package resolvers

// This file will be automatically regenerated based on the schema, any resolver implementations
// will be copied through when generating and any unknown code will be moved to the end.

import (
	"context"
	"errors"
	"git.aiterp.net/stufflog/server/graph/graphcore"
	"git.aiterp.net/stufflog/server/internal/xlerrors"
	"git.aiterp.net/stufflog/server/models"
)

func (r *mutationResolver) CreateProject(ctx context.Context, input graphcore.ProjectCreateInput) (*models.Project, error) {
	user := r.Auth.UserFromContext(ctx)
	if user == nil {
		return nil, xlerrors.PermissionDenied
	}

	project := &models.Project{
		ID:          input.ID,
		Name:        input.Name,
		Description: input.Description,
		DailyPoints: input.DailyPoints,
	}
	if !project.ValidKey() {
		return nil, errors.New("the project must have a valid ID (only uppercase allowed)")
	}
	if project.Name == "" || project.Description == "" {
		return nil, errors.New("name and description cannot be left empty")
	}

	project, err := r.Database.Projects().Insert(ctx, *project)
	if err != nil {
		return nil, err
	}

	err = r.Database.Projects().SetPermission(ctx, models.ProjectPermission{
		ProjectID: project.ID,
		UserID:    user.ID,
		Level:     models.ProjectPermissionLevelOwner,
	})

	return project, nil
}

func (r *mutationResolver) CreateIssue(ctx context.Context, input graphcore.IssueCreateInput) (*models.Issue, error) {
	user := r.Auth.UserFromContext(ctx)
	if user == nil {
		return nil, xlerrors.PermissionDenied
	}

	project, err := r.Database.Projects().Find(ctx, input.ProjectID)
	if err != nil {
		return nil, err
	}
	if perm, err := r.Auth.ProjectPermission(ctx, *project); err != nil || !perm.CanManageOwnIssue() {
		return nil, xlerrors.PermissionDenied
	}

	issue := &models.Issue{
		ProjectID:   project.ID,
		OwnerID:     user.ID,
		AssigneeID:  "",
		StatusStage: input.StatusStage,
		StatusName:  input.StatusName,
		Name:        input.Name,
		Title:       input.Name,
		Description: input.Description,
	}
	if input.Title != nil && *input.Title != "" {
		issue.Title = *input.Title
	}
	if input.DueTime != nil && !input.DueTime.IsZero() {
		issue.DueTime = *input.DueTime
	}
	if input.AssigneeID != nil && *input.AssigneeID != "" {
		issue.AssigneeID = *input.AssigneeID
	}

	issue, err = r.Database.Issues().Insert(ctx, *issue)
	if err != nil {
		return nil, err
	}

	return issue, nil
}

func (r *mutationResolver) LoginUser(ctx context.Context, input graphcore.UserLoginInput) (*models.User, error) {
	return r.Auth.Login(ctx, input.Username, input.Password)
}

func (r *mutationResolver) LogoutUser(ctx context.Context) (*models.User, error) {
	return r.Auth.Logout(ctx)
}

func (r *mutationResolver) CreateUser(ctx context.Context, input graphcore.UserCreateInput) (*models.User, error) {
	active := input.Active == nil || *input.Active
	admin := input.Admin != nil && *input.Admin

	return r.Auth.CreateUser(ctx, input.Username, input.Password, input.Name, active, admin)
}

func (r *mutationResolver) EditUser(ctx context.Context, input graphcore.UserEditInput) (*models.User, error) {
	return r.Auth.EditUser(ctx, input.Username, input.SetName, input.CurrentPassword, input.SetPassword)
}

// Mutation returns graphcore.MutationResolver implementation.
func (r *Resolver) Mutation() graphcore.MutationResolver { return &mutationResolver{r} }

type mutationResolver struct{ *Resolver }