Ehsan/artifacts/api-server/src/routes/requests.ts

import { Router } from "express";
import {
  requests,
  donors,
  whatsappLog,
  checkEligibility,
  STATUS_STEP,
  DonationRequest,
  WhatsappLogEntry,
} from "../lib/mockDb.js";
import { v4 as uuidv4 } from "uuid";

const router = Router();

// ─── GET /requests ───────────────────────────────────────────────────────────
router.get("/requests", (req, res) => {
  let result = [...requests];
  const { status, needType } = req.query;
  if (status) result = result.filter((r) => r.status === status);
  if (needType) result = result.filter((r) => r.needType === needType);
  res.json(result);
});

// ─── GET /requests/new ──────────────────────────────────────────────────────
router.get("/requests/new", (_req, res) => {
  res.json(requests.filter((r) => r.status === "new"));
});

// ─── GET /requests/published ────────────────────────────────────────────────
router.get("/requests/published", (_req, res) => {
  res.json(requests.filter((r) => r.status === "published"));
});

// ─── POST /requests ──────────────────────────────────────────────────────────
router.post("/requests", (req, res) => {
  const {
    beneficiaryName,
    nationalId,
    phone,
    source,
    sourceName,
    needType,
    requestedAmount,
    description,
  } = req.body;

  if (
    !beneficiaryName ||
    !nationalId ||
    !phone ||
    !source ||
    !sourceName ||
    !needType ||
    !requestedAmount ||
    !description
  ) {
    return res.status(400).json({ error: "Missing required fields" });
  }

  const { eligible } = checkEligibility(nationalId);

  let status: DonationRequest["status"];
  if (eligible === true) {
    status = "verified";
  } else if (eligible === false) {
    status = "rejected";
  } else {
    status = "pending_review";
  }

  const now = new Date().toISOString();
  const caseNum = String(requests.length + 1).padStart(3, "0");
  const newReq: DonationRequest = {
    id: uuidv4(),
    caseId: `CASE-${caseNum}`,
    beneficiaryName,
    nationalId,
    phone,
    source,
    sourceName,
    needType,
    requestedAmount: Number(requestedAmount),
    collectedAmount: 0,
    description,
    status,
    currentStep: STATUS_STEP[status],
    donorId: null,
    donorName: null,
    thankYouMessage: null,
    whatsappStatus: null,
    whatsappSentAt: null,
    rejectionReason:
      status === "rejected"
        ? "المستفيد غير مؤهل وفق قاعدة بيانات الاستحقاق"
        : null,
    createdAt: now,
    updatedAt: now,
  };

  requests.push(newReq);
  return res.status(201).json(newReq);
});

// ─── GET /requests/:id ───────────────────────────────────────────────────────
router.get("/requests/:id", (req, res) => {
  const item = requests.find((r) => r.id === req.params.id || r.caseId === req.params.id);
  if (!item) return res.status(404).json({ error: "Not found" });
  res.json(item);
});

// ─── Helper: find & update ───────────────────────────────────────────────────
function findAndUpdate(
  id: string,
  updater: (r: DonationRequest) => void,
  res: any
) {
  const item = requests.find((r) => r.id === id || r.caseId === id);
  if (!item) return res.status(404).json({ error: "Not found" });
  updater(item);
  item.updatedAt = new Date().toISOString();
  res.json(item);
}

// ─── POST /requests/:id/verify ───────────────────────────────────────────────
router.post("/requests/:id/verify", (req, res) => {
  findAndUpdate(
    req.params.id,
    (r) => {
      r.status = "verified";
      r.currentStep = STATUS_STEP["verified"];
    },
    res
  );
});

// ─── POST /requests/:id/publish ──────────────────────────────────────────────
router.post("/requests/:id/publish", (req, res) => {
  findAndUpdate(
    req.params.id,
    (r) => {
      r.status = "published";
      r.currentStep = STATUS_STEP["published"];
    },
    res
  );
});

// ─── POST /requests/:id/donate ───────────────────────────────────────────────
router.post("/requests/:id/donate", (req, res) => {
  const item = requests.find(
    (r) => r.id === req.params.id || r.caseId === req.params.id
  );
  if (!item) return res.status(404).json({ error: "Not found" });

  const { donorName, donorPhone, donorEmail, amount } = req.body;
  if (!donorName || !donorPhone || !amount) {
    return res.status(400).json({ error: "Missing donor details" });
  }

  const donorId = uuidv4();
  // add/update donor record
  const existingDonor = donors.find((d) => d.phone === donorPhone);
  if (existingDonor) {
    existingDonor.totalDonated += Number(amount);
    existingDonor.donationCount += 1;
    item.donorId = existingDonor.id;
  } else {
    const newDonor = {
      id: donorId,
      name: donorName,
      phone: donorPhone,
      email: donorEmail || null,
      totalDonated: Number(amount),
      donationCount: 1,
    };
    donors.push(newDonor);
    item.donorId = donorId;
  }

  item.donorName = donorName;
  item.collectedAmount = Number(amount);
  item.status = "donated";
  item.currentStep = STATUS_STEP["donated"];
  item.updatedAt = new Date().toISOString();
  res.json(item);
});

// ─── POST /requests/:id/deliver ──────────────────────────────────────────────
router.post("/requests/:id/deliver", (req, res) => {
  findAndUpdate(
    req.params.id,
    (r) => {
      r.status = "delivered";
      r.currentStep = STATUS_STEP["delivered"];
    },
    res
  );
});

// ─── POST /requests/:id/confirm-receipt ──────────────────────────────────────
router.post("/requests/:id/confirm-receipt", (req, res) => {
  findAndUpdate(
    req.params.id,
    (r) => {
      r.status = "receipt_confirmed";
      r.currentStep = STATUS_STEP["receipt_confirmed"];
    },
    res
  );
});

// ─── POST /requests/:id/thank-you ────────────────────────────────────────────
router.post("/requests/:id/thank-you", (req, res) => {
  const item = requests.find(
    (r) => r.id === req.params.id || r.caseId === req.params.id
  );
  if (!item) return res.status(404).json({ error: "Not found" });

  const { message } = req.body;
  if (!message) return res.status(400).json({ error: "Message is required" });

  item.thankYouMessage = message;
  item.status = "thank_you_submitted";
  item.currentStep = STATUS_STEP["thank_you_submitted"];
  item.whatsappStatus = "pending";
  item.updatedAt = new Date().toISOString();

  // Create whatsapp log entry
  const logEntry: WhatsappLogEntry = {
    id: uuidv4(),
    caseId: item.caseId,
    donorName: item.donorName || "متبرع",
    donorPhone: donors.find((d) => d.id === item.donorId)?.phone || "",
    beneficiaryMessage: message,
    whatsappMessage: `السلام عليكم، نشكركم على تبرعكم عبر منصة إحسان.\nتم إيصال الدعم للمستفيد، وهذه رسالة الشكر من المستفيد:\n"${message}"\nرقم الحالة: ${item.caseId}`,
    status: "pending",
    sentAt: null,
    createdAt: new Date().toISOString(),
  };
  whatsappLog.push(logEntry);

  res.json(item);
});

// ─── POST /requests/:id/send-whatsapp ────────────────────────────────────────
router.post("/requests/:id/send-whatsapp", async (req, res) => {
  const item = requests.find(
    (r) => r.id === req.params.id || r.caseId === req.params.id
  );
  if (!item) return res.status(404).json({ error: "Not found" });

  const simulate = process.env.OPENCLAW_SIMULATE !== "false";
  const openclawUrl =
    process.env.OPENCLAW_BASE_URL || "http://localhost:3100";

  const logEntry = whatsappLog.find((w) => w.caseId === item.caseId);
  const now = new Date().toISOString();

  if (simulate) {
    // Simulate mode — mark as sent without calling OpenClaw
    item.whatsappStatus = "sent";
    item.whatsappSentAt = now;
    item.status = "whatsapp_sent";
    item.currentStep = STATUS_STEP["whatsapp_sent"];
    item.updatedAt = now;

    if (logEntry) {
      logEntry.status = "sent";
      logEntry.sentAt = now;
    }

    return res.json({
      success: true,
      message: "WhatsApp sent (simulated)",
      simulated: true,
      sentAt: now,
    });
  }

  // Live mode — call OpenClaw
  try {
    const donor = donors.find((d) => d.id === item.donorId);
    const payload = {
      to: donor?.phone || "",
      message: logEntry?.whatsappMessage || "",
      caseId: item.caseId,
    };

    const response = await fetch(`${openclawUrl}/api/whatsapp/send`, {
      method: "POST",
      headers: { "Content-Type": "application/json" },
      body: JSON.stringify(payload),
    });

    if (!response.ok) {
      throw new Error(`OpenClaw returned ${response.status}`);
    }

    item.whatsappStatus = "sent";
    item.whatsappSentAt = now;
    item.status = "whatsapp_sent";
    item.currentStep = STATUS_STEP["whatsapp_sent"];
    item.updatedAt = now;

    if (logEntry) {
      logEntry.status = "sent";
      logEntry.sentAt = now;
    }

    return res.json({
      success: true,
      message: "WhatsApp sent via OpenClaw",
      simulated: false,
      sentAt: now,
    });
  } catch (err: any) {
    item.whatsappStatus = "failed";
    item.updatedAt = now;

    if (logEntry) {
      logEntry.status = "failed";
    }

    return res.json({
      success: false,
      message: `Failed to send via OpenClaw: ${err.message}`,
      simulated: false,
      sentAt: null,
    });
  }
});

// ─── POST /requests/:id/close ────────────────────────────────────────────────
router.post("/requests/:id/close", (req, res) => {
  findAndUpdate(
    req.params.id,
    (r) => {
      r.status = "closed";
      r.currentStep = STATUS_STEP["closed"];
    },
    res
  );
});

// ─── POST /requests/:id/reject ───────────────────────────────────────────────
router.post("/requests/:id/reject", (req, res) => {
  const item = requests.find(
    (r) => r.id === req.params.id || r.caseId === req.params.id
  );
  if (!item) return res.status(404).json({ error: "Not found" });

  item.status = "rejected";
  item.currentStep = STATUS_STEP["rejected"];
  item.rejectionReason = req.body?.reason || "تم الرفض من قبل المشرف";
  item.updatedAt = new Date().toISOString();
  res.json(item);
});

export default router;