package xlsx

import (
	"fmt"
	"net/http"

	"git.coopgo.io/coopgo-apps/parcoursmob/core/utils/gender"
	mobilityaccountsstorage "git.coopgo.io/coopgo-platform/mobility-accounts/storage"
	"github.com/rs/zerolog/log"
)

type BeneficiaryGeoInfo struct {
	Commune     string
	EPCI        string
	Departement string
	Region      string
}

func (r *XLSXRenderer) Beneficiaries(w http.ResponseWriter, accounts []mobilityaccountsstorage.Account, geoInfoMap map[string]BeneficiaryGeoInfo) {
	spreadsheet := r.NewSpreadsheet("Bénéficiaires")

	// Build headers dynamically based on configuration
	beneficiaryOptionalFields := r.Config.Get("modules.beneficiaries.profile_optional_fields")
	beneficiaryFields := []string{"last_name", "first_name", "email", "phone_number", "birthdate", "gender", "file_number"}
	headers := []string{"ID", "Nom", "Prénom", "Email", "Téléphone", "Date de naissance", "Genre", "Numéro de dossier"}

	if beneficiaryOptionalFieldsList, ok := beneficiaryOptionalFields.([]interface{}); ok {
		for _, field := range beneficiaryOptionalFieldsList {
			if fieldMap, ok := field.(map[string]interface{}); ok {
				if name, ok := fieldMap["name"].(string); ok {
					beneficiaryFields = append(beneficiaryFields, name)
					label := name
					if labelVal, ok := fieldMap["label"].(string); ok {
						label = labelVal
					}
					headers = append(headers, label)
				}
			}
		}
	}

	headers = append(headers, "Adresse", "Commune", "EPCI", "Département", "Région", "Archivé")

	spreadsheet.SetHeaders(headers)

	for _, account := range accounts {
		row := []interface{}{}

		row = append(row, account.ID)

		for _, field := range beneficiaryFields {
			value := getAccountFieldValue(account.Data, field)
			if field == "gender" && value != "" {
				value = gender.ISO5218ToString(value)
			}
			row = append(row, value)
		}

		// Address
		address := ""
		if addr, ok := account.Data["address"]; ok {
			if addrMap, ok := addr.(map[string]interface{}); ok {
				if props, ok := addrMap["properties"]; ok {
					if propsMap, ok := props.(map[string]interface{}); ok {
						if label, ok := propsMap["label"].(string); ok {
							address = label
						}
					}
				}
			}
		}
		row = append(row, address)

		// Geographic info (Commune, EPCI, Département, Région)
		geoInfo := geoInfoMap[account.ID]
		row = append(row, geoInfo.Commune)
		row = append(row, geoInfo.EPCI)
		row = append(row, geoInfo.Departement)
		row = append(row, geoInfo.Region)

		// Archived status
		archived := "Non"
		if archivedVal, ok := account.Data["archived"].(bool); ok && archivedVal {
			archived = "Oui"
		}
		row = append(row, archived)

		spreadsheet.AddRow(row)
	}

	w.Header().Set("Content-Type", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet")
	w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=\"export-beneficiaires.xlsx\""))

	if err := spreadsheet.GetFile().Write(w); err != nil {
		log.Error().Err(err).Msg("Error generating Excel file")
		http.Error(w, "Error generating Excel file", http.StatusInternalServerError)
		return
	}
}