package upload

import "fmt"

type (
	UploadCode     string
	EntityTypeCode string
)

const (
	UCPRN       UploadCode = "person-resident-number" // Person Resident Number
	UCPDL       UploadCode = "person-driver-license"  // Person Driver License
	UCPP        UploadCode = "person-passport"        // Person Passport
	UCPFC       UploadCode = "person-family-card"     // Person Family Card
	UCMIR       UploadCode = "mcu-item-result"        // Mcu Item Result
	UCEnPatient UploadCode = "encounter-patient"
	UCEnSupport UploadCode = "encounter-support"
	UcEnOther   UploadCode = "encounter-other"
	UCSEP       UploadCode = "vclaim-sep"  // SEP
	UCSIPP      UploadCode = "vclaim-sipp" // SIPP

	ETCPerson    EntityTypeCode = "person"
	ETCEncounter EntityTypeCode = "encounter"
	ETCMCU       EntityTypeCode = "mcu"
)

var validUploadCodesByEntity = map[EntityTypeCode][]UploadCode{
	ETCPerson: {
		UCPRN, UCPDL, UCPP, UCPFC,
	},
	ETCEncounter: {
		UCSEP, UCSIPP, UCEnPatient, UCEnSupport, UcEnOther,
	},
	ETCMCU: {
		UCMIR,
	},
}

func IsValidUploadCode(entity EntityTypeCode, code UploadCode) (bool, string) {
	allowedCodes, ok := validUploadCodesByEntity[entity]
	if !ok {
		return false, fmt.Sprintf("unknown entityType_code: %s", entity)
	}

	for _, c := range allowedCodes {
		if c == code {
			return true, ""
		}
	}

	return false, fmt.Sprintf("invalid upload_code '%s' for entityType_code '%s'", code, entity)
}