package integration

import (
	"bytes"
	"encoding/json"
	"errors"
	"net/http"
	"satusehat-rssa/internal/constant"
	"satusehat-rssa/internal/model"
)

type OrganizationInterface interface {
	// Define methods for OrganizationInterface
	CreateOrganization(req model.OrganizationRequest) (map[string]interface{}, error)
	GetOrganizationPatient(id string) (map[string]interface{}, error)
	HandleCheckOrganization(id string) (string, bool, error)
}

type OrganizationRepository struct {
	akses *model.Akses
}

// CreateOrganization implements OrganizationInterface.
func (o *OrganizationRepository) CreateOrganization(req model.OrganizationRequest) (map[string]interface{}, error) {
	var data map[string]interface{}
	req.ResourceType = constant.OrganizationResourceType

	url := o.akses.BaseUrl + "/Organization"
	method := "POST"

	payload, err := json.Marshal(req)
	if err != nil {
		return nil, err
	}

	client := &http.Client{}
	request, err := http.NewRequest(method, url, bytes.NewBuffer(payload))
	if err != nil {
		return nil, err
	}

	oauth := model.OauthRequest{
		ClientId:     o.akses.ClientId,
		ClientSecret: o.akses.ClientSecret,
	}
	OauthInterface := NewOauthRequestRepo(o.akses)
	token, err := OauthInterface.GenerateToken(oauth)
	if err != nil {
		return nil, err
	}

	request.Header.Set("Authorization", "Bearer "+token.AccessToken)
	request.Header.Set("Content-Type", "application/json")

	response, err := client.Do(request)
	if err != nil {
		return nil, err
	}
	defer response.Body.Close()

	err = json.NewDecoder(response.Body).Decode(&data)
	if err != nil {
		return nil, err
	}

	return data, nil
}

// GetDiagnosisReportByPatient implements OrganizationInterface.
func (o *OrganizationRepository) GetOrganizationPatient(id string) (map[string]interface{}, error) {
	url := o.akses.BaseUrl + "/DiagnosticReport?patient=" + id
	method := "GET"

	client := &http.Client{}
	request, err := http.NewRequest(method, url, nil)
	if err != nil {
		return nil, err
	}

	oauth := model.OauthRequest{
		ClientId:     o.akses.ClientId,
		ClientSecret: o.akses.ClientSecret,
	}
	OauthInterface := NewOauthRequestRepo(o.akses)
	token, err := OauthInterface.GenerateToken(oauth)
	if err != nil {
		return nil, err
	}

	request.Header.Set("Authorization", "Bearer "+token.AccessToken)
	request.Header.Set("Accept", constant.ContentTypeFHIRJSON)

	response, err := client.Do(request)
	if err != nil {
		return nil, err
	}
	defer response.Body.Close()

	if response.StatusCode != http.StatusOK {
		return nil, errors.New("failed to get diagnosis report")
	}

	var data map[string]interface{}
	err = json.NewDecoder(response.Body).Decode(&data)
	if err != nil {
		return nil, err
	}

	return data, nil
}

// HandleCheckOrganization implements OrganizationInterface.
func (o *OrganizationRepository) HandleCheckOrganization(id string) (string, bool, error) {
	url := o.akses.BaseUrl + "/Organization/" + id
	method := "GET"

	client := &http.Client{}
	request, err := http.NewRequest(method, url, nil)
	if err != nil {
		return "", false, err
	}

	oauth := model.OauthRequest{
		ClientId:     o.akses.ClientId,
		ClientSecret: o.akses.ClientSecret,
	}
	OauthInterface := NewOauthRequestRepo(o.akses)
	token, err := OauthInterface.GenerateToken(oauth)
	if err != nil {
		return "", false, err
	}

	request.Header.Set("Authorization", "Bearer "+token.AccessToken)
	request.Header.Set("Accept", constant.ContentTypeFHIRJSON)

	response, err := client.Do(request)
	if err != nil {
		return "", false, err
	}
	defer response.Body.Close()

	if response.StatusCode == http.StatusNotFound {
		return "", false, nil
	} else if response.StatusCode != http.StatusOK {
		return "", false, errors.New("failed to check organization")
	}

	var data map[string]interface{}
	err = json.NewDecoder(response.Body).Decode(&data)
	if err != nil {
		return "", false, err
	}

	name, ok := data["name"].(string)
	if !ok {
		return "", false, errors.New("organization name not found")
	}

	return name, true, nil
}

func NewOrganizationRepo(akses *model.Akses) OrganizationInterface {
	return &OrganizationRepository{akses: akses}
}