package emapi

import (
	"go.equinixmetal.net/infra9-metal-bridge/internal/metal/models"
)

// Roles contains a list of roles.
type Roles []string

// Memberships contains a list of memberships
type Memberships []*Membership

// ToDetailsWithOrganizationDetails convers the memberships to generic membership models with organization details.
func (m Memberships) ToDetailsWithOrganizationDetails(orgDetails *models.OrganizationDetails) []*models.Membership[models.OrganizationDetails] {
	memberships := make([]*models.Membership[models.OrganizationDetails], len(m))

	var nextIndex int

	for _, membership := range m {
		memberships[nextIndex] = membership.ToDetailsWithOrganizationDetails(orgDetails)

		if memberships[nextIndex] != nil {
			nextIndex++
		}
	}

	if nextIndex < len(m) {
		return memberships[:nextIndex]
	}

	return memberships
}

// ToDetailsWithProjectDetails convers the memberships to generic membership models with project details.
func (m Memberships) ToDetailsWithProjectDetails(projDetails *models.ProjectDetails) []*models.Membership[models.ProjectDetails] {
	memberships := make([]*models.Membership[models.ProjectDetails], len(m))

	var nextIndex int

	for _, membership := range m {
		memberships[nextIndex] = membership.ToDetailsWithProjectDetails(projDetails)

		if memberships[nextIndex] != nil {
			nextIndex++
		}
	}

	if nextIndex < len(m) {
		return memberships[:nextIndex]
	}

	return memberships
}

// Membership contains membership information.
type Membership struct {
	HREF  string `json:"href"`
	ID    string `json:"id"`
	Roles Roles  `json:"roles"`
	User  *User  `json:"user"`
}

// ToDetailsWithOrganizationDetails convers the membership to generic membership model with organization details.
func (m *Membership) ToDetailsWithOrganizationDetails(orgDetails *models.OrganizationDetails) *models.Membership[models.OrganizationDetails] {
	if m.ID == "" {
		return nil
	}

	return &models.Membership[models.OrganizationDetails]{
		ID:     m.ID,
		Roles:  m.Roles,
		User:   m.User.ToDetails(),
		Entity: orgDetails,
	}
}

// ToDetailsWithOrganizationDetails convers the membership to generic membership model with organization details.
func (m *Membership) ToDetailsWithProjectDetails(projDetails *models.ProjectDetails) *models.Membership[models.ProjectDetails] {
	if m.ID == "" {
		return nil
	}

	return &models.Membership[models.ProjectDetails]{
		ID:     m.ID,
		Roles:  m.Roles,
		User:   m.User.ToDetails(),
		Entity: projDetails,
	}
}