const TicketSyncModel = require('../models/ticketSyncModel');
const TicketGlpiModel = require('../models/ticketGlpiModel');
const TicketUpdateModel = require('../models/ticketUpdateModel');
const TicketSnModel = require('../models/ticketSnModel');
const { addCommentToServiceNow, addWorkNoteToServiceNow, updateStatusInServiceNow, fetchTicketLiveStatusFromServiceNow, closeTicketInServiceNow } = require('../services/servicenowService');
const { stripHTML } = require('../utils/commentSanitizer');
const { logInfo, logError } = require('../utils/logger');

const DEFINITIVE_CLOSE_NOTICE = 'Chamado encerrado definitivamente. Reabertura deste chamado nao sera atendida. Caso necessario, abra um novo chamado.';
const outOfScopeSolutionTypeId = Number(process.env.GLPI_OOS_SOLUTION_TYPE_ID || 27);

const processGlpiClosureController = async () => {
    try {
        const tickets = await TicketSyncModel.getTicketsForClosureMonitor();
        if (!tickets.length) {
            logInfo('Nenhum ticket ativo para monitoramento de fechamento definitivo no GLPI.');
            return;
        }

        for (const ticket of tickets) {
            try {
                const glpiStatus = await TicketGlpiModel.getTicketStatus(ticket.glpi_ticket_id);
                if (glpiStatus !== 5 && glpiStatus !== 6) {
                    continue;
                }

                const ticketSn = await TicketSnModel.findById(ticket.sn_ticket_id);
                if (!ticketSn) {
                    continue;
                }

                const liveSnStatus = await fetchTicketLiveStatusFromServiceNow(ticketSn.sys_id, ticketSn.tipo);
                if (glpiStatus === 5) {
                    if (ticket.sn_sync_status === 'solved') {
                        continue;
                    }

                    const solution = await TicketGlpiModel.getTicketSolution(ticket.glpi_ticket_id);
                    if (solution?.solutiontypes_id === outOfScopeSolutionTypeId) {
                        const justification = solution?.content ? stripHTML(solution.content) : 'Ticket marcado como fora do escopo.';
                        await addWorkNoteToServiceNow(ticket.sn_ticket_id, `Ticket nao sera mais exibido para equipe Sothis, com a justificativa: ${justification}`);
                        await TicketSyncModel.updateStatus(ticket.sn_ticket_id, 'closed', 'ignored');
                        await TicketGlpiModel.forceCloseTicket(ticket.glpi_ticket_id);
                        continue;
                    }

                    if (liveSnStatus === 'Em Espera' || liveSnStatus === 'Aguardando Atendimento') {
                        await updateStatusInServiceNow(ticket.sn_ticket_id, 'Em Atendimento');
                    }

                    const closeNotes = solution?.content ? stripHTML(solution.content) : 'Resolvido via integracao GLPI.';
                    const resolvedAt = solution?.date_mod || new Date();
                    await closeTicketInServiceNow(ticket.sn_ticket_id, closeNotes, resolvedAt);
                    await TicketSyncModel.updateStatus(ticket.sn_ticket_id, 'solved', 'solved');
                    logInfo(`Ticket GLPI ${ticket.glpi_ticket_id} solucionado e refletido no SN.`);
                    continue;
                }

                const sourceId = `glpi_closed_notice:${ticket.glpi_ticket_id}`;
                const alreadyNotified = await TicketUpdateModel.getBySourceId(sourceId);
                if (!alreadyNotified) {
                    const commentSent = await addCommentToServiceNow(ticket.sn_ticket_id, DEFINITIVE_CLOSE_NOTICE);
                    if (commentSent) {
                        await TicketUpdateModel.insert({
                            ticket_sync_id: ticket.id,
                            update_type: 'close_notice',
                            source_system: 'glpi',
                            content: DEFINITIVE_CLOSE_NOTICE,
                            author: 'integration',
                            created_at: new Date(),
                            updated_at: new Date(),
                            source_id: sourceId,
                            destiny_id: 'done'
                        });
                    }
                }

                // Regra nova: nao altera status no SN ao fechar definitivamente no GLPI.
                // Apenas registra comentario e remove do monitoramento local.
                await TicketSyncModel.updateStatus(ticket.sn_ticket_id, 'closed', 'closed');
                logInfo(`Ticket GLPI ${ticket.glpi_ticket_id} encerrado definitivamente e refletido no SN.`);
            } catch (error) {
                logError(error, `Falha ao processar fechamento definitivo GLPI para ticket ${ticket.glpi_ticket_id}`);
            }
        }
    } catch (error) {
        logError(error, 'Erro geral no monitoramento de fechamento definitivo GLPI');
    }
};

module.exports = {
    processGlpiClosureController
};