import Joi from 'joi';
import moderationService from '../services/moderationService.js';

const moderationController = {
  async createReport(req, res) {
    const schema = Joi.object({
      targetType: Joi.string().valid('forum_message').required(),
      targetId: Joi.number().integer().min(1).required(),
      reason: Joi.string().trim().min(3).max(120).required(),
      details: Joi.string().allow('').max(2000).optional()
    });
    const { error, value } = schema.validate(req.body || {});
    if (error) {
      return res.status(400).json({ error: error.details[0].message });
    }
    try {
      const { userid: userId } = req.headers;
      const result = await moderationService.createReport(userId, value);
      return res.status(201).json(result);
    } catch (err) {
      console.error('Error in createReport:', err);
      return res.status(400).json({ error: err.message });
    }
  },

  async listReports(req, res) {
    try {
      const { userid: userId } = req.headers;
      const result = await moderationService.listReports(userId, req.query || {});
      return res.status(200).json(result);
    } catch (err) {
      console.error('Error in listReports:', err);
      return res.status(400).json({ error: err.message });
    }
  },

  async updateReportStatus(req, res) {
    const schema = Joi.object({
      status: Joi.string().valid('open', 'in_review', 'resolved', 'rejected').required(),
      reviewerNote: Joi.string().allow('').max(2000).optional()
    });
    const { error, value } = schema.validate(req.body || {});
    if (error) {
      return res.status(400).json({ error: error.details[0].message });
    }
    try {
      const { userid: userId } = req.headers;
      const result = await moderationService.updateReportStatus(userId, req.params.reportId, value);
      return res.status(200).json(result);
    } catch (err) {
      console.error('Error in updateReportStatus:', err);
      return res.status(400).json({ error: err.message });
    }
  }
};

export default moderationController;