package rpc

import (
	"context"
	"telesrv/internal/domain"
)

type captureDialogs struct {
	list            domain.DialogList
	pinnedList      domain.DialogList
	hasPinnedList   bool
	peerList        domain.DialogList
	hashCheck       domain.DialogHashCheck
	folderList      domain.DialogFolderList
	filter          domain.DialogFilter
	filters         []domain.DialogFilter
	hashFilter      domain.DialogFilter
	getDialogsCalls int
	hashCalls       int
	peers           []domain.Peer
	folderID        int
	archivePinned   bool
	savedFolder     domain.DialogFolder
	deletedFolderID int
	folderOrder     []int
	tagsEnabled     bool
	folderPeers     []domain.FolderPeerUpdate
	drafts          []domain.DialogDraft
	savedDraft      domain.DialogDraft
	deletedDraft    struct {
		peer         domain.Peer
		topMessageID int
	}
	reorderNoChange bool
}

func (s *captureDialogs) GetDialogsHash(_ context.Context, _ int64, filter domain.DialogFilter) (domain.DialogHashCheck, error) {
	s.hashCalls++
	s.hashFilter = filter
	return s.hashCheck, nil
}

func (s *captureDialogs) GetDialogs(_ context.Context, _ int64, filter domain.DialogFilter) (domain.DialogList, error) {
	s.getDialogsCalls++
	s.filter = filter
	s.filters = append(s.filters, filter)
	if filter.PinnedOnly && s.hasPinnedList {
		return s.pinnedList, nil
	}
	return s.list, nil
}

func (s *captureDialogs) GetPeerDialogs(_ context.Context, _ int64, peers []domain.Peer) (domain.DialogList, error) {
	s.peers = append([]domain.Peer(nil), peers...)
	return s.peerList, nil
}

func (s *captureDialogs) SaveDraft(_ context.Context, _ int64, draft domain.DialogDraft) (bool, error) {
	s.savedDraft = draft
	return true, nil
}

func (s *captureDialogs) DeleteDraft(_ context.Context, _ int64, peer domain.Peer, topMessageID int) (bool, error) {
	s.deletedDraft.peer = peer
	s.deletedDraft.topMessageID = topMessageID
	return true, nil
}

func (s *captureDialogs) GetDraft(_ context.Context, _ int64, peer domain.Peer, topMessageID int) (domain.DialogDraft, bool, error) {
	for _, draft := range s.drafts {
		if draft.Peer == peer && draft.TopMessageID == topMessageID {
			return draft, true, nil
		}
	}
	return domain.DialogDraft{}, false, nil
}

func (s *captureDialogs) ListDrafts(_ context.Context, _ int64, _ int) ([]domain.DialogDraft, error) {
	return append([]domain.DialogDraft(nil), s.drafts...), nil
}

func (s *captureDialogs) ClearDrafts(_ context.Context, _ int64, _ int) ([]domain.DialogDraft, error) {
	drafts := append([]domain.DialogDraft(nil), s.drafts...)
	s.drafts = nil
	return drafts, nil
}

func (s *captureDialogs) TogglePinned(_ context.Context, _ int64, peer domain.Peer, _ bool) (bool, int, error) {
	s.peers = []domain.Peer{peer}
	return true, s.folderID, nil
}

func (s *captureDialogs) ToggleArchivePinned(_ context.Context, _ int64, pinned bool) (bool, error) {
	s.archivePinned = pinned
	return true, nil
}

func (s *captureDialogs) ReorderPinned(_ context.Context, _ int64, folderID int, order []domain.Peer, _ bool) (bool, error) {
	s.folderID = folderID
	s.peers = append([]domain.Peer(nil), order...)
	return !s.reorderNoChange, nil
}

func (s *captureDialogs) MarkUnread(_ context.Context, _ int64, peer domain.Peer, _ bool) (bool, error) {
	s.peers = []domain.Peer{peer}
	return true, nil
}

func (s *captureDialogs) UnreadMarks(_ context.Context, _ int64) ([]domain.Peer, error) {
	return s.peers, nil
}

func (s *captureDialogs) HidePeerSettingsBar(_ context.Context, _ int64, peer domain.Peer) (bool, error) {
	s.peers = []domain.Peer{peer}
	return true, nil
}

func (s *captureDialogs) PeerSettingsBarHidden(_ context.Context, _ int64, _ domain.Peer) (bool, error) {
	return false, nil
}

func (s *captureDialogs) GetDialogFolders(_ context.Context, _ int64) (domain.DialogFolderList, error) {
	return s.folderList, nil
}

func (s *captureDialogs) SaveDialogFolder(_ context.Context, _ int64, folder domain.DialogFolder) error {
	s.savedFolder = folder
	return nil
}

func (s *captureDialogs) DeleteDialogFolder(_ context.Context, _ int64, folderID int) error {
	s.deletedFolderID = folderID
	return nil
}

func (s *captureDialogs) ReorderDialogFolders(_ context.Context, _ int64, order []int) error {
	s.folderOrder = append([]int(nil), order...)
	return nil
}

func (s *captureDialogs) ToggleDialogFolderTags(_ context.Context, _ int64, enabled bool) error {
	s.tagsEnabled = enabled
	return nil
}

func (s *captureDialogs) EditPeerFolders(_ context.Context, _ int64, peers []domain.FolderPeerUpdate) error {
	s.folderPeers = append([]domain.FolderPeerUpdate(nil), peers...)
	return nil
}