package service

import (
	"context"

	"eslogad-be/internal/contract"

	"github.com/google/uuid"
)

type LetterProcessor interface {
	CreateIncomingLetter(ctx context.Context, req *contract.CreateIncomingLetterRequest) (*contract.IncomingLetterResponse, error)
	GetIncomingLetterByID(ctx context.Context, id uuid.UUID) (*contract.IncomingLetterResponse, error)
	ListIncomingLetters(ctx context.Context, req *contract.ListIncomingLettersRequest) (*contract.ListIncomingLettersResponse, error)
	UpdateIncomingLetter(ctx context.Context, id uuid.UUID, req *contract.UpdateIncomingLetterRequest) (*contract.IncomingLetterResponse, error)
	SoftDeleteIncomingLetter(ctx context.Context, id uuid.UUID) error

	CreateDispositions(ctx context.Context, req *contract.CreateLetterDispositionRequest) (*contract.ListDispositionsResponse, error)
	ListDispositionsByLetter(ctx context.Context, letterID uuid.UUID) (*contract.ListDispositionsResponse, error)

	CreateDiscussion(ctx context.Context, letterID uuid.UUID, req *contract.CreateLetterDiscussionRequest) (*contract.LetterDiscussionResponse, error)
	UpdateDiscussion(ctx context.Context, letterID uuid.UUID, discussionID uuid.UUID, req *contract.UpdateLetterDiscussionRequest) (*contract.LetterDiscussionResponse, error)
}

type LetterServiceImpl struct {
	processor LetterProcessor
}

func NewLetterService(processor LetterProcessor) *LetterServiceImpl {
	return &LetterServiceImpl{processor: processor}
}

func (s *LetterServiceImpl) CreateIncomingLetter(ctx context.Context, req *contract.CreateIncomingLetterRequest) (*contract.IncomingLetterResponse, error) {
	return s.processor.CreateIncomingLetter(ctx, req)
}
func (s *LetterServiceImpl) GetIncomingLetterByID(ctx context.Context, id uuid.UUID) (*contract.IncomingLetterResponse, error) {
	return s.processor.GetIncomingLetterByID(ctx, id)
}
func (s *LetterServiceImpl) ListIncomingLetters(ctx context.Context, req *contract.ListIncomingLettersRequest) (*contract.ListIncomingLettersResponse, error) {
	return s.processor.ListIncomingLetters(ctx, req)
}
func (s *LetterServiceImpl) UpdateIncomingLetter(ctx context.Context, id uuid.UUID, req *contract.UpdateIncomingLetterRequest) (*contract.IncomingLetterResponse, error) {
	return s.processor.UpdateIncomingLetter(ctx, id, req)
}
func (s *LetterServiceImpl) SoftDeleteIncomingLetter(ctx context.Context, id uuid.UUID) error {
	return s.processor.SoftDeleteIncomingLetter(ctx, id)
}

func (s *LetterServiceImpl) CreateDispositions(ctx context.Context, req *contract.CreateLetterDispositionRequest) (*contract.ListDispositionsResponse, error) {
	return s.processor.CreateDispositions(ctx, req)
}

func (s *LetterServiceImpl) ListDispositionsByLetter(ctx context.Context, letterID uuid.UUID) (*contract.ListDispositionsResponse, error) {
	return s.processor.ListDispositionsByLetter(ctx, letterID)
}

func (s *LetterServiceImpl) CreateDiscussion(ctx context.Context, letterID uuid.UUID, req *contract.CreateLetterDiscussionRequest) (*contract.LetterDiscussionResponse, error) {
	return s.processor.CreateDiscussion(ctx, letterID, req)
}

func (s *LetterServiceImpl) UpdateDiscussion(ctx context.Context, letterID uuid.UUID, discussionID uuid.UUID, req *contract.UpdateLetterDiscussionRequest) (*contract.LetterDiscussionResponse, error) {
	return s.processor.UpdateDiscussion(ctx, letterID, discussionID, req)
}