package condition

import (
	"os"
	"time"

	"service/internal/interfaces/satusehat"
)

func MapRequestToFHIR(req ConditionRequest) satusehat.FHIRPayload {
	payload := satusehat.NewFHIRPayload("Condition")

	orgID := os.Getenv("SATUSEHAT_ORG_ID")
	if orgID == "" {
		orgID = req.OrganizationID
	}

	if orgID != "" && req.ConditionID != "" {
		payload.Set("identifier", []map[string]interface{}{
			{"system": "http://sys-ids.kemkes.go.id/condition/" + orgID, "use": "official", "value": req.ConditionID},
		})
	}

	if req.ClinicalStatus != "" {
		payload.Set("clinicalStatus", map[string]interface{}{
			"coding": []map[string]interface{}{
				{"system": "http://terminology.hl7.org/CodeSystem/condition-clinical", "code": req.ClinicalStatus},
			},
		})
	}
	if req.Category != nil {
		sys := req.Category.System
		if sys == "" {
			sys = "http://terminology.hl7.org/CodeSystem/condition-category"
		}
		coding := map[string]interface{}{
			"system": sys,
			"code":   req.Category.Code,
		}
		if req.Category.Display != "" {
			coding["display"] = req.Category.Display
		}
		payload.Set("category", []map[string]interface{}{
			{
				"coding": []map[string]interface{}{
					coding,
				},
			},
		})
	}
	if req.Code != nil {
		sys := req.Code.System
		if sys == "" {
			sys = "http://snomed.info/sct" // Default value jika tidak diset
		}
		coding := map[string]interface{}{
			"system": sys,
			"code":   req.Code.Code,
		}
		if req.Code.Display != "" {
			coding["display"] = req.Code.Display
		}
		codeConcept := map[string]interface{}{
			"coding": []map[string]interface{}{
				coding,
			},
		}
		if req.Code.Text != "" {
			codeConcept["text"] = req.Code.Text
		}
		payload.Set("code", codeConcept)
	}
	if req.PatientID != "" {
		subject := map[string]interface{}{"reference": "Patient/" + req.PatientID}
		if req.PatientName != "" {
			subject["display"] = req.PatientName
		}
		payload.Set("subject", subject)
	}
	if req.EncounterID != "" {
		payload.Set("encounter", map[string]interface{}{"reference": "Encounter/" + req.EncounterID})
	}
	if req.OnsetDateTime != nil && !req.OnsetDateTime.IsZero() {
		payload.Set("onsetDateTime", req.OnsetDateTime.Format(time.RFC3339))
	}
	if req.RecordedDate != nil && !req.RecordedDate.IsZero() {
		payload.Set("recordedDate", req.RecordedDate.Format(time.RFC3339))
	}

	return payload
}