package gitlab

import (
	"fmt"
	"net/url"
	"time"
)

// PagesDomainsService handles communication with the pages domains
// related methods of the GitLab API.
//
// GitLab API docs: https://docs.gitlab.com/ce/api/pages_domains.html
type PagesDomainsService struct {
	client *Client
}

// PagesDomain represents a pages domain.
//
// GitLab API docs: https://docs.gitlab.com/ce/api/pages_domains.html
type PagesDomain struct {
	Domain           string     `json:"domain"`
	URL              string     `json:"url"`
	ProjectID        int        `json:"project_id"`
	Verified         bool       `json:"verified"`
	VerificationCode string     `json:"verification_code"`
	EnabledUntil     *time.Time `json:"enabled_until"`
	Certificate      struct {
		Expired    bool       `json:"expired"`
		Expiration *time.Time `json:"expiration"`
	} `json:"certificate"`
}

// ListPagesDomainsOptions represents the available ListPagesDomains() options.
//
// GitLab API docs:
// https://docs.gitlab.com/ce/api/pages_domains.html#list-pages-domains
type ListPagesDomainsOptions ListOptions

// ListPagesDomains gets a list of project pages domains.
//
// GitLab API docs:
// https://docs.gitlab.com/ce/api/pages_domains.html#list-pages-domains
func (s *PagesDomainsService) ListPagesDomains(pid interface{}, opt *ListPagesDomainsOptions, options ...OptionFunc) ([]*PagesDomain, *Response, error) {
	project, err := parseID(pid)
	if err != nil {
		return nil, nil, err
	}
	u := fmt.Sprintf("projects/%s/pages/domains", url.QueryEscape(project))

	req, err := s.client.NewRequest("GET", u, opt, options)
	if err != nil {
		return nil, nil, err
	}

	var pd []*PagesDomain
	resp, err := s.client.Do(req, &pd)
	if err != nil {
		return nil, resp, err
	}

	return pd, resp, err
}

// GetPagesDomain get a specific pages domain for a project.
//
// GitLab API docs:
// https://docs.gitlab.com/ce/api/pages_domains.html#single-pages-domain
func (s *PagesDomainsService) GetPagesDomain(pid interface{}, domain string, options ...OptionFunc) (*PagesDomain, *Response, error) {
	project, err := parseID(pid)
	if err != nil {
		return nil, nil, err
	}
	u := fmt.Sprintf("projects/%s/pages/domains/%s", url.QueryEscape(project), domain)

	req, err := s.client.NewRequest("GET", u, nil, options)
	if err != nil {
		return nil, nil, err
	}

	pd := new(PagesDomain)
	resp, err := s.client.Do(req, pd)
	if err != nil {
		return nil, resp, err
	}

	return pd, resp, err
}

// CreatePagesDomainOptions represents the available CreatePagesDomain() options.
//
// GitLab API docs:
// // https://docs.gitlab.com/ce/api/pages_domains.html#create-new-pages-domain
type CreatePagesDomainOptions struct {
	Domain      *string `url:"domain,omitempty" json:"domain,omitempty"`
	Certificate *string `url:"certifiate,omitempty" json:"certifiate,omitempty"`
	Key         *string `url:"key,omitempty" json:"key,omitempty"`
}

// CreatePagesDomain creates a new project pages domain.
//
// GitLab API docs:
// https://docs.gitlab.com/ce/api/pages_domains.html#create-new-pages-domain
func (s *PagesDomainsService) CreatePagesDomain(pid interface{}, opt *CreatePagesDomainOptions, options ...OptionFunc) (*PagesDomain, *Response, error) {
	project, err := parseID(pid)
	if err != nil {
		return nil, nil, err
	}
	u := fmt.Sprintf("projects/%s/pages/domains", url.QueryEscape(project))

	req, err := s.client.NewRequest("POST", u, opt, options)
	if err != nil {
		return nil, nil, err
	}

	pd := new(PagesDomain)
	resp, err := s.client.Do(req, pd)
	if err != nil {
		return nil, resp, err
	}

	return pd, resp, err
}

// UpdatePagesDomainOptions represents the available UpdatePagesDomain() options.
//
// GitLab API docs:
// https://docs.gitlab.com/ce/api/pages_domains.html#update-pages-domain
type UpdatePagesDomainOptions struct {
	Cerificate *string `url:"certifiate" json:"certifiate"`
	Key        *string `url:"key" json:"key"`
}

// UpdatePagesDomain updates an existing project pages domain.
//
// GitLab API docs:
// https://docs.gitlab.com/ce/api/pages_domains.html#update-pages-domain
func (s *PagesDomainsService) UpdatePagesDomain(pid interface{}, domain string, opt *UpdatePagesDomainOptions, options ...OptionFunc) (*PagesDomain, *Response, error) {
	project, err := parseID(pid)
	if err != nil {
		return nil, nil, err
	}
	u := fmt.Sprintf("projects/%s/pages/domains/%s", url.QueryEscape(project), domain)

	req, err := s.client.NewRequest("PUT", u, opt, options)
	if err != nil {
		return nil, nil, err
	}

	pd := new(PagesDomain)
	resp, err := s.client.Do(req, pd)
	if err != nil {
		return nil, resp, err
	}

	return pd, resp, err
}

// DeletePagesDomain deletes an existing prject pages domain.
//
// GitLab API docs:
// https://docs.gitlab.com/ce/api/pages_domains.html#delete-pages-domain
func (s *PagesDomainsService) DeletePagesDomain(pid interface{}, domain string, options ...OptionFunc) (*Response, error) {
	project, err := parseID(pid)
	if err != nil {
		return nil, err
	}
	u := fmt.Sprintf("projects/%s/pages/domains/%s", url.QueryEscape(project), domain)

	req, err := s.client.NewRequest("DELETE", u, nil, options)
	if err != nil {
		return nil, err
	}

	return s.client.Do(req, nil)
}
