package profile

import (
	"context"
	"errors"
	"time"

	"github.com/google/uuid"
	"go.uber.org/fx"
	"gorm.io/gorm"

	domainProfile "base/internal/domain/profile"
)

type roleRepository struct {
	db *gorm.DB
}

// NewRoleRepository creates a RoleRepository for profile_roles.
func NewRoleRepository(lc fx.Lifecycle, db *gorm.DB) domainProfile.RoleRepository {
	lc.Append(
		fx.Hook{
			OnStart: func(ctx context.Context) error { return nil },
			OnStop:  func(ctx context.Context) error { return nil },
		})
	return &roleRepository{db: db}
}

func (r *roleRepository) FindByID(ctx context.Context, id uuid.UUID) (*domainProfile.Role, error) {
	var model RoleModel
	if err := r.db.WithContext(ctx).Where("id = ?", id).First(&model).Error; err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return nil, domainProfile.ErrRoleNotFound
		}
		return nil, err
	}
	return roleModelToDomain(&model), nil
}

func (r *roleRepository) FindAll(ctx context.Context) ([]*domainProfile.Role, error) {
	var models []RoleModel
	if err := r.db.WithContext(ctx).Order("status DESC, title ASC").Find(&models).Error; err != nil {
		return nil, err
	}
	out := make([]*domainProfile.Role, len(models))
	for i := range models {
		out[i] = roleModelToDomain(&models[i])
	}
	return out, nil
}

func (r *roleRepository) List(ctx context.Context, limit, offset int) ([]*domainProfile.Role, error) {
	var models []RoleModel
	q := r.db.WithContext(ctx).Order("status DESC, title ASC")
	if limit > 0 {
		q = q.Limit(limit)
	}
	if offset > 0 {
		q = q.Offset(offset)
	}
	if err := q.Find(&models).Error; err != nil {
		return nil, err
	}
	out := make([]*domainProfile.Role, len(models))
	for i := range models {
		out[i] = roleModelToDomain(&models[i])
	}
	return out, nil
}

func roleModelToDomain(m *RoleModel) *domainProfile.Role {
	return &domainProfile.Role{
		ID:    m.ID,
		Title: m.Title,
	}
}

func (r *roleRepository) Create(ctx context.Context, role *domainProfile.Role) error {
	now := time.Now()
	model := &RoleModel{
		ID:        role.ID,
		Title:     role.Title,
		CreatedAt: now,
		UpdatedAt: now,
	}
	if err := r.db.WithContext(ctx).Create(model).Error; err != nil {
		return err
	}
	return nil
}

func (r *roleRepository) Update(ctx context.Context, role *domainProfile.Role) error {
	result := r.db.WithContext(ctx).Model(&RoleModel{}).Where("id = ?", role.ID).Updates(map[string]interface{}{"title": role.Title})
	if result.Error != nil {
		return result.Error
	}
	if result.RowsAffected == 0 {
		return domainProfile.ErrRoleNotFound
	}
	return nil
}

func (r *roleRepository) Delete(ctx context.Context, id uuid.UUID) error {
	result := r.db.WithContext(ctx).Delete(&RoleModel{}, "id = ?", id)
	if result.Error != nil {
		return result.Error
	}
	if result.RowsAffected == 0 {
		return domainProfile.ErrRoleNotFound
	}
	return nil
}