package authentication

import (
	dg "github.com/karincake/apem/db-gorm-pg"

	"github.com/golang-jwt/jwt"
	d "github.com/karincake/dodol"

	pl "simrs-vx/pkg/logger"

	edp "simrs-vx/internal/domain/main-entities/division-position"
	ed "simrs-vx/internal/domain/main-entities/doctor"
	ee "simrs-vx/internal/domain/main-entities/employee"
	eip "simrs-vx/internal/domain/main-entities/installation-position"
	"simrs-vx/internal/domain/main-entities/intern"
	em "simrs-vx/internal/domain/main-entities/midwife"
	en "simrs-vx/internal/domain/main-entities/nurse"
	esp "simrs-vx/internal/domain/main-entities/specialist-position"
	essp "simrs-vx/internal/domain/main-entities/subspecialist-position"
	eup "simrs-vx/internal/domain/main-entities/unit-position"
	eu "simrs-vx/internal/domain/main-entities/user"
	erg "simrs-vx/internal/domain/references/organization"

	udp "simrs-vx/internal/use-case/main-use-case/division-position"
	uip "simrs-vx/internal/use-case/main-use-case/installation-position"
	usp "simrs-vx/internal/use-case/main-use-case/specialist-position"
	ussp "simrs-vx/internal/use-case/main-use-case/subspecialist-position"
	uup "simrs-vx/internal/use-case/main-use-case/unit-position"
)

// just return the error code
func getAndCheck(input, condition any) (eCode string) {
	result := dg.I.Where(condition).Find(&input)
	if result.Error != nil {
		return "fetch-fail"
	} else if result.RowsAffected == 0 {
		return "auth-login-incorrect"
	}

	return ""
}

func getDivisionPosition(employee_id uint, event *pl.Event) ([]string, error) {
	var result []string

	// get data division_position based on employee_id
	data, _, err := udp.ReadListData(edp.ReadListDto{
		FilterDto: edp.FilterDto{Employee_Id: &employee_id},
		Includes:  "Division"}, event)
	if err != nil {
		return nil, err
	}

	if len(data) > 0 {
		for _, dp := range data {
			if dp.Division != nil {
				result = append(result, "div-"+dp.Division.Code+"-"+dp.Code)
			}
		}
	}

	return result, nil
}

func getInstallationPosition(employeeId uint, event *pl.Event) ([]string, error) {
	var result []string

	// get data unit_position based on employee_id
	data, _, err := uip.ReadListData(eip.ReadListDto{
		FilterDto: eip.FilterDto{Employee_Id: &employeeId},
		Includes:  "installation"}, event)
	if err != nil {
		return nil, err
	}

	if len(data) > 0 {
		for _, dp := range data {
			if dp.Installation != nil {
				result = append(result, "inst-"+dp.Installation.Code+"-"+dp.Code)
			}
		}
	}

	return result, nil
}

func getUnitPosition(employeeId uint, event *pl.Event) ([]string, error) {
	var result []string

	// get data unit_position based on employee_id
	data, _, err := uup.ReadListData(eup.ReadListDto{
		FilterDto: eup.FilterDto{Employee_Id: &employeeId},
		Includes:  "unit"}, event)
	if err != nil {
		return nil, err
	}

	if len(data) > 0 {
		for _, dp := range data {
			if dp.Unit != nil {
				result = append(result, "unit-"+dp.Unit.Code+"-"+dp.Code)
			}
		}
	}

	return result, nil
}

func getSpecialistPosition(employeeId uint, event *pl.Event) ([]string, error) {
	var result []string

	// get data unit_position based on employee_id
	data, _, err := usp.ReadListData(esp.ReadListDto{
		FilterDto: esp.FilterDto{Employee_Id: &employeeId},
		Includes:  "specialist"}, event)
	if err != nil {
		return nil, err
	}

	if len(data) > 0 {
		for _, dp := range data {
			if dp.Specialist != nil {
				result = append(result, "spec-"+dp.Specialist.Code+"-"+dp.Code)
			}
		}
	}

	return result, nil
}

func getSubspecialistPosition(employeeId uint, event *pl.Event) ([]string, error) {
	var result []string

	// get data unit_position based on employee_id
	data, _, err := ussp.ReadListData(essp.ReadListDto{
		FilterDto: essp.FilterDto{Employee_Id: &employeeId},
		Includes:  "subspecialist"}, event)
	if err != nil {
		return nil, err
	}

	if len(data) > 0 {
		for _, dp := range data {
			if dp.Subspecialist != nil {
				result = append(result, "subspec-"+dp.Subspecialist.Code+"-"+dp.Code)
			}
		}
	}

	return result, nil
}

func checkStrClaims(claim map[string]interface{}, key string) string {
	if v, exist := claim[key]; exist && v != nil {
		return v.(string)
	}
	return ""
}

func checkStrPtrClaims(claim map[string]interface{}, key string) *string {
	if v, exist := claim[key]; exist && v != nil {
		val := v.(string)
		return &val
	}
	return nil
}

func checkUntPtrClaims(claim map[string]interface{}, key string) *uint {
	if v, exist := claim[key]; exist && v != nil {
		val := uint(v.(float64))
		return &val
	}
	return nil
}

func populateRoles(user *eu.User, atClaims jwt.MapClaims, outputData d.II, event pl.Event) error {
	roles := []string{}
	switch user.ContractPosition_Code {
	case erg.CSCEmp:
		// employee
		employee := ee.Employee{}
		dg.I.Where("\"User_Id\" = ?", user.Id).First(&employee)
		if employee.Id == 0 {
			return d.FieldErrors{"authentication": d.FieldError{Code: "auth-noEmployee", Message: pl.GenMessage("auth-noEmployee")}}
		}
		atClaims["employee_id"] = employee.Id
		outputData["employee_id"] = employee.Id
		roles = append(roles, "emp-"+string(*employee.Position_Code))

		//if employee.Division_Code != nil {
		//	atClaims["employee_division_code"] = employee.Division_Code
		//	outputData["employee_division_code"] = employee.Division_Code
		//}

		// employee position
		if employee.Id > 0 && employee.Position_Code != nil {
			atClaims["employee_position_code"] = *employee.Position_Code
			switch *employee.Position_Code {
			case erg.EPCDoc:
				doctor := ed.Doctor{}
				dg.I.Where("\"Employee_Id\" = ?", employee.Id).First(&doctor)
				if doctor.Id == 0 {
					return d.FieldErrors{"authentication": d.FieldError{Code: "auth-noDoctor", Message: pl.GenMessage("auth-noDoctor")}}
				}
				atClaims["doctor_code"] = doctor.Code
				outputData["doctor_code"] = doctor.Code

				// specialist
				if doctor.Specialist_Code != nil {
					atClaims["specialist_code"] = doctor.Specialist_Code
					outputData["specialist_code"] = doctor.Specialist_Code
				}
				if doctor.Subspecialist_Code != nil {
					atClaims["subspecialist_code"] = doctor.Subspecialist_Code
					outputData["subspecialist_code"] = doctor.Subspecialist_Code
				}
			case erg.EPCNur:
				empData := en.Nurse{}
				dg.I.Where("\"Employee_Id\" = ?", employee.Id).First(&empData)
				if empData.Id == 0 {
					return d.FieldErrors{"authentication": d.FieldError{Code: "auth-noNurse", Message: pl.GenMessage("auth-noNurse")}}
				}
				atClaims["nurse_code"] = empData.Code
				outputData["nurse_code"] = empData.Code
			case erg.EPCMwi:
				empData := em.Midwife{}
				dg.I.Where("\"Employee_Id\" = ?", employee.Id).First(&empData)
				if empData.Id == 0 {
					return d.FieldErrors{"authentication": d.FieldError{Code: "auth-noMidwife", Message: pl.GenMessage("auth-noMidwife")}}
				}
				atClaims["midwife_code"] = empData.Code
				outputData["midwife_code"] = empData.Code
			}

			errorGetPosition := d.FieldErrors{"authentication": d.FieldError{Code: "auth-getData-failed", Message: pl.GenMessage("auth-getData-failed")}}

			// division position
			divisionPositions, err := getDivisionPosition(employee.Id, &event)
			if err != nil {
				return errorGetPosition
			}

			// installation position
			installationPositions, err := getInstallationPosition(employee.Id, &event)
			if err != nil {
				return errorGetPosition
			}

			// unit position
			unitPositions, err := getUnitPosition(employee.Id, &event)
			if err != nil {
				return errorGetPosition
			}

			// specialist position
			specialistPositions, err := getSpecialistPosition(employee.Id, &event)
			if err != nil {
				return errorGetPosition
			}

			// subspecialist position
			subspecialistPositions, err := getSubspecialistPosition(employee.Id, &event)
			if err != nil {
				return errorGetPosition
			}

			roles = append(roles, divisionPositions...)
			roles = append(roles, installationPositions...)
			roles = append(roles, unitPositions...)
			roles = append(roles, specialistPositions...)
			roles = append(roles, subspecialistPositions...)
			// atClaims["division_positions"] = divsionPositions
			// outputData["division_positions"] = divsionPositions
		}
	case erg.CSCInt:
		intern := intern.Intern{}
		dg.I.Where("\"User_Id\" = ?", user.Id).First(&intern)
		roles = append(roles, "int-"+string(*intern.Position_Code))
	case erg.CSCSys:
		roles = append(roles, "system")
	}

	atClaims["roles"] = roles
	outputData["roles"] = roles
	return nil
}