import * as fs from "fs";
import * as path from "path";
import prisma from "../apps/backend/src/lib/prisma";

const PROD_API = process.env.API_BASE || "https://api.homaroma.shop/api";
const ADMIN_USER = process.env.ADMIN_USER || "admin";
const ADMIN_PASS = process.env.ADMIN_PASS || "homaroma123";

interface ScentMapping {
  productId: number;
  scentName: string;
  scentFamily: "floral" | "fresh_herbal" | "fruity" | "spa_relaxing" | "sweet_warm" | "aquatic_ozone";
  moodBenefit: "relax_sleep" | "refresh_energize" | "focus_mind" | "odor_eliminator" | "romantic_cozy";
  scentIntensity: "light" | "medium" | "strong";
  roomPlacement: "bedroom" | "living_room" | "workspace" | "bathroom" | "car" | "commercial_spa";
}

// 45 Reed Diffuser products mapping
const REED_DIFFUSER_MAPPINGS: ScentMapping[] = [
  // Spa & Relaxing
  { productId: 3, scentName: "ตะไคร้", scentFamily: "spa_relaxing", moodBenefit: "odor_eliminator", scentIntensity: "strong", roomPlacement: "bathroom" },
  { productId: 63, scentName: "ลีลาวดี", scentFamily: "spa_relaxing", moodBenefit: "relax_sleep", scentIntensity: "medium", roomPlacement: "commercial_spa" },
  { productId: 138, scentName: "ดอกบัว", scentFamily: "spa_relaxing", moodBenefit: "focus_mind", scentIntensity: "light", roomPlacement: "commercial_spa" },
  { productId: 148, scentName: "ไทยสปา", scentFamily: "spa_relaxing", moodBenefit: "relax_sleep", scentIntensity: "strong", roomPlacement: "commercial_spa" },

  // Fresh & Herbal
  { productId: 8, scentName: "ลาเวนเดอร์", scentFamily: "fresh_herbal", moodBenefit: "relax_sleep", scentIntensity: "medium", roomPlacement: "bedroom" },
  { productId: 28, scentName: "ยูคาลิปตัส", scentFamily: "fresh_herbal", moodBenefit: "refresh_energize", scentIntensity: "strong", roomPlacement: "workspace" },
  { productId: 33, scentName: "เฟรชลาเวนเดอร์", scentFamily: "fresh_herbal", moodBenefit: "relax_sleep", scentIntensity: "medium", roomPlacement: "bedroom" },
  { productId: 38, scentName: "เปเปอร์มิ้น", scentFamily: "fresh_herbal", moodBenefit: "refresh_energize", scentIntensity: "strong", roomPlacement: "workspace" },
  { productId: 73, scentName: "มะนาว", scentFamily: "fresh_herbal", moodBenefit: "odor_eliminator", scentIntensity: "strong", roomPlacement: "bathroom" },
  { productId: 98, scentName: "โรสเมรี่", scentFamily: "fresh_herbal", moodBenefit: "focus_mind", scentIntensity: "medium", roomPlacement: "workspace" },
  { productId: 123, scentName: "มะกรูด", scentFamily: "fresh_herbal", moodBenefit: "odor_eliminator", scentIntensity: "strong", roomPlacement: "bathroom" },

  // Floral
  { productId: 18, scentName: "ซากุระ", scentFamily: "floral", moodBenefit: "romantic_cozy", scentIntensity: "light", roomPlacement: "bedroom" },
  { productId: 23, scentName: "มะลิ", scentFamily: "floral", moodBenefit: "relax_sleep", scentIntensity: "strong", roomPlacement: "living_room" },
  { productId: 53, scentName: "ดอกแก้ว", scentFamily: "floral", moodBenefit: "relax_sleep", scentIntensity: "strong", roomPlacement: "bedroom" },
  { productId: 58, scentName: "ดอกโมก", scentFamily: "floral", moodBenefit: "relax_sleep", scentIntensity: "medium", roomPlacement: "bedroom" },
  { productId: 93, scentName: "ดอกลิลลี่", scentFamily: "floral", moodBenefit: "romantic_cozy", scentIntensity: "medium", roomPlacement: "bedroom" },
  { productId: 103, scentName: "อัญชัน", scentFamily: "floral", moodBenefit: "relax_sleep", scentIntensity: "light", roomPlacement: "bedroom" },
  { productId: 108, scentName: "กุหลาบแดง", scentFamily: "floral", moodBenefit: "romantic_cozy", scentIntensity: "strong", roomPlacement: "bedroom" },
  { productId: 133, scentName: "ดอกปีบ", scentFamily: "floral", moodBenefit: "relax_sleep", scentIntensity: "medium", roomPlacement: "bedroom" },
  { productId: 163, scentName: "ดอกชมนาด", scentFamily: "floral", moodBenefit: "romantic_cozy", scentIntensity: "strong", roomPlacement: "living_room" },
  { productId: 173, scentName: "ดอกการะเวก", scentFamily: "floral", moodBenefit: "relax_sleep", scentIntensity: "strong", roomPlacement: "living_room" },
  { productId: 178, scentName: "ดอกจำปา", scentFamily: "floral", moodBenefit: "romantic_cozy", scentIntensity: "strong", roomPlacement: "living_room" },
  { productId: 183, scentName: "ดอกพิกุล", scentFamily: "floral", moodBenefit: "relax_sleep", scentIntensity: "medium", roomPlacement: "bedroom" },
  { productId: 188, scentName: "ดอกพุด", scentFamily: "floral", moodBenefit: "relax_sleep", scentIntensity: "strong", roomPlacement: "bedroom" },
  { productId: 193, scentName: "ดอกราตรี", scentFamily: "floral", moodBenefit: "romantic_cozy", scentIntensity: "strong", roomPlacement: "bedroom" },
  { productId: 198, scentName: "ดอกลำดวน", scentFamily: "floral", moodBenefit: "relax_sleep", scentIntensity: "medium", roomPlacement: "bedroom" },
  { productId: 213, scentName: "ดอกราชาวดี", scentFamily: "floral", moodBenefit: "relax_sleep", scentIntensity: "medium", roomPlacement: "bedroom" },

  // Fruity
  { productId: 68, scentName: "ส้ม", scentFamily: "fruity", moodBenefit: "refresh_energize", scentIntensity: "medium", roomPlacement: "living_room" },
  { productId: 78, scentName: "แคนตาลูป", scentFamily: "fruity", moodBenefit: "refresh_energize", scentIntensity: "medium", roomPlacement: "living_room" },
  { productId: 83, scentName: "แอปเปิ้ลแดง", scentFamily: "fruity", moodBenefit: "refresh_energize", scentIntensity: "medium", roomPlacement: "living_room" },
  { productId: 88, scentName: "แอปเปิ้ลเขียว", scentFamily: "fruity", moodBenefit: "refresh_energize", scentIntensity: "medium", roomPlacement: "workspace" },
  { productId: 118, scentName: "ผลไม้รวม", scentFamily: "fruity", moodBenefit: "refresh_energize", scentIntensity: "medium", roomPlacement: "living_room" },
  { productId: 153, scentName: "กล้วย", scentFamily: "fruity", moodBenefit: "refresh_energize", scentIntensity: "medium", roomPlacement: "living_room" },
  { productId: 203, scentName: "ทับทิม", scentFamily: "fruity", moodBenefit: "refresh_energize", scentIntensity: "medium", roomPlacement: "living_room" },
  { productId: 208, scentName: "มะละกอสุก", scentFamily: "fruity", moodBenefit: "refresh_energize", scentIntensity: "medium", roomPlacement: "living_room" },
  { productId: 218, scentName: "กลิ่นลูกพีช", scentFamily: "fruity", moodBenefit: "refresh_energize", scentIntensity: "medium", roomPlacement: "living_room" },
  { productId: 223, scentName: "กลิ่นองุ่น", scentFamily: "fruity", moodBenefit: "refresh_energize", scentIntensity: "medium", roomPlacement: "living_room" },

  // Sweet & Warm
  { productId: 13, scentName: "วานิลลา", scentFamily: "sweet_warm", moodBenefit: "romantic_cozy", scentIntensity: "strong", roomPlacement: "living_room" },
  { productId: 113, scentName: "หมากฝรั่ง", scentFamily: "sweet_warm", moodBenefit: "refresh_energize", scentIntensity: "strong", roomPlacement: "living_room" },
  { productId: 128, scentName: "แซนด้าวูส", scentFamily: "sweet_warm", moodBenefit: "focus_mind", scentIntensity: "medium", roomPlacement: "workspace" },
  { productId: 158, scentName: "กาแฟ", scentFamily: "sweet_warm", moodBenefit: "focus_mind", scentIntensity: "strong", roomPlacement: "workspace" },
  { productId: 168, scentName: "กลิ่นน้ำนม", scentFamily: "sweet_warm", moodBenefit: "relax_sleep", scentIntensity: "medium", roomPlacement: "bedroom" },

  // Aquatic & Ozone
  { productId: 43, scentName: "โอเชี่ยน", scentFamily: "aquatic_ozone", moodBenefit: "refresh_energize", scentIntensity: "medium", roomPlacement: "living_room" },
  { productId: 48, scentName: "เซเว่นซี", scentFamily: "aquatic_ozone", moodBenefit: "refresh_energize", scentIntensity: "medium", roomPlacement: "living_room" },
  { productId: 143, scentName: "โอโซน", scentFamily: "aquatic_ozone", moodBenefit: "refresh_energize", scentIntensity: "medium", roomPlacement: "living_room" },
];

// Standard Reed Diffuser specifications common across all items
const REED_DIFFUSER_SPECS = {
  compatible_device: "ก้านไม้ไฟเบอร์กระจายกลิ่น (Fiber Reeds) / ขวดแก้วตั้งโต๊ะ",
  coverage_area: "15 - 25",
  scent_duration: "3 - 4 สัปดาห์ (ขนาด 60ml), 6 - 8 สัปดาห์ (ขนาด 85-120ml)",
  formula_base: "Alcohol-Free Reed Diffuser Base + Premium Fragrance Oil",
  usage_instructions: "เปิดจุกขวดแก้ว ปักก้านไม้ 4-5 ก้านลงในขวด กลับด้านก้านไม้ทุก 3-5 วันเพื่อเพิ่มความฟุ้งกระจายของกลิ่น หลีกเลี่ยงการวางกลางแดดหรือลมพัดแรง",
};

const sleep = (ms: number) => new Promise((resolve) => setTimeout(resolve, ms));

async function main() {
  console.log("=== Seeding Product Attributes for Reed Diffuser Products ===");
  console.log(`Targeting ${REED_DIFFUSER_MAPPINGS.length} products on API: ${PROD_API}`);

  // 1. Authenticate to get JWT token
  console.log(`1. Logging in as '${ADMIN_USER}' to obtain JWT token...`);
  const loginRes = await fetch(`${PROD_API}/auth/login`, {
    method: "POST",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify({ username: ADMIN_USER, password: ADMIN_PASS }),
  });

  if (!loginRes.ok) {
    throw new Error(`Login failed (${loginRes.status}): ${await loginRes.text()}`);
  }

  const { token } = (await loginRes.json()) as { token: string };
  console.log("✓ Authenticated successfully. JWT token acquired.\n");

  // 2. Fetch active attribute definitions from API to map codes to IDs
  console.log("2. Fetching active attribute definitions from API...");
  const defsRes = await fetch(`${PROD_API}/product-attributes/definitions?lang=th`);
  const definitions = (await defsRes.json()) as Array<{ id: number; code: string; type: string }>;
  const codeToDef = new Map<string, { id: number; code: string; type: string }>();
  for (const def of definitions) {
    codeToDef.set(def.code, def);
  }

  const requiredCodes = [
    "scent_family",
    "mood_benefit",
    "scent_intensity",
    "room_placement",
    "compatible_device",
    "coverage_area",
    "scent_duration",
    "formula_base",
    "usage_instructions",
  ];

  for (const code of requiredCodes) {
    if (!codeToDef.has(code)) {
      throw new Error(`Attribute definition code '${code}' not found in API!`);
    }
  }
  console.log("✓ All 9 attribute definitions verified on API.\n");

  // Save the full matrix as JSON artifact
  const exportPath = path.resolve(__dirname, "../data/reed_diffuser_attributes_matrix.json");
  fs.writeFileSync(
    exportPath,
    JSON.stringify(
      REED_DIFFUSER_MAPPINGS.map((m) => ({
        ...m,
        specs: REED_DIFFUSER_SPECS,
      })),
      null,
      2
    ),
    "utf-8"
  );
  console.log(`✓ Saved mapping matrix to ${exportPath}\n`);

  // 3. Process each product via API
  console.log(`3. Updating attributes for ${REED_DIFFUSER_MAPPINGS.length} Reed Diffuser products via API...`);
  let successCount = 0;
  let failCount = 0;

  for (let i = 0; i < REED_DIFFUSER_MAPPINGS.length; i++) {
    const item = REED_DIFFUSER_MAPPINGS[i];
    const attributesPayload = [
      {
        attributeDefinitionId: codeToDef.get("scent_family")!.id,
        valueText: item.scentFamily,
      },
      {
        attributeDefinitionId: codeToDef.get("mood_benefit")!.id,
        valueText: item.moodBenefit,
      },
      {
        attributeDefinitionId: codeToDef.get("scent_intensity")!.id,
        valueText: item.scentIntensity,
      },
      {
        attributeDefinitionId: codeToDef.get("room_placement")!.id,
        valueText: item.roomPlacement,
      },
      {
        attributeDefinitionId: codeToDef.get("compatible_device")!.id,
        valueText: REED_DIFFUSER_SPECS.compatible_device,
      },
      {
        attributeDefinitionId: codeToDef.get("coverage_area")!.id,
        valueText: REED_DIFFUSER_SPECS.coverage_area,
      },
      {
        attributeDefinitionId: codeToDef.get("scent_duration")!.id,
        valueText: REED_DIFFUSER_SPECS.scent_duration,
      },
      {
        attributeDefinitionId: codeToDef.get("formula_base")!.id,
        valueText: REED_DIFFUSER_SPECS.formula_base,
      },
      {
        attributeDefinitionId: codeToDef.get("usage_instructions")!.id,
        valueText: REED_DIFFUSER_SPECS.usage_instructions,
      },
    ];

    try {
      const updateRes = await fetch(`${PROD_API}/products/${item.productId}/attributes`, {
        method: "PUT",
        headers: {
          "Content-Type": "application/json",
          Authorization: `Bearer ${token}`,
        },
        body: JSON.stringify({ attributes: attributesPayload }),
      });

      if (!updateRes.ok) {
        const errText = await updateRes.text();
        console.error(`❌ [${i + 1}/${REED_DIFFUSER_MAPPINGS.length}] Product #${item.productId} (${item.scentName}) failed: ${updateRes.status} ${errText}`);
        failCount++;
      } else {
        console.log(`✓ [${i + 1}/${REED_DIFFUSER_MAPPINGS.length}] Product #${item.productId} (${item.scentName}) linked with 9 attributes.`);
        successCount++;
      }
    } catch (err: any) {
      console.error(`❌ [${i + 1}/${REED_DIFFUSER_MAPPINGS.length}] Product #${item.productId} error: ${err.message}`);
      failCount++;
    }

    await sleep(80);
  }

  console.log(`\n=== API Seeding Completed: ${successCount} succeeded, ${failCount} failed ===\n`);

  // 4. Also sync to Local Database if connected
  try {
    console.log("4. Syncing attributes to Local Database via Prisma...");
    const localDefs = await prisma.attributeDefinition.findMany();
    const localDefMap = new Map<string, number>();
    for (const d of localDefs) {
      localDefMap.set(d.code, d.id);
    }

    let localSuccess = 0;
    for (const item of REED_DIFFUSER_MAPPINGS) {
      // Find local product by name
      const expectedName = `${item.scentName} Reed Diffuser`;
      const localProd = await prisma.product.findFirst({
        where: {
          name: { contains: item.scentName },
          category: { name: { contains: "ก้านไม้" } },
        },
      });
      if (!localProd) continue;

      const attrs = [
        { code: "scent_family", val: item.scentFamily, isText: true },
        { code: "mood_benefit", val: item.moodBenefit, isText: true },
        { code: "scent_intensity", val: item.scentIntensity, isText: true },
        { code: "room_placement", val: item.roomPlacement, isText: true },
        { code: "compatible_device", val: REED_DIFFUSER_SPECS.compatible_device, isText: true },
        { code: "coverage_area", val: REED_DIFFUSER_SPECS.coverage_area, isText: true },
        { code: "scent_duration", val: REED_DIFFUSER_SPECS.scent_duration, isText: true },
        { code: "formula_base", val: REED_DIFFUSER_SPECS.formula_base, isText: true },
        { code: "usage_instructions", val: REED_DIFFUSER_SPECS.usage_instructions, isText: true },
      ];

      for (const attr of attrs) {
        const defId = localDefMap.get(attr.code);
        if (!defId) continue;

        await prisma.productAttribute.upsert({
          where: {
            productId_attributeDefinitionId: {
              productId: localProd.id,
              attributeDefinitionId: defId,
            },
          },
          create: {
            productId: localProd.id,
            attributeDefinitionId: defId,
            valueText: attr.val,
          },
          update: {
            valueText: attr.val,
          },
        });
      }
      localSuccess++;
    }
    console.log(`✓ Synced ${localSuccess} products into Local Database.\n`);
  } catch (err: any) {
    console.warn(`Local DB sync skipped or encountered an error: ${err.message}`);
  }
}

main()
  .then(() => {
    console.log("✅ All Reed Diffuser Product Attributes successfully linked!");
    process.exit(0);
  })
  .catch((err) => {
    console.error("❌ Process failed:", err);
    process.exit(1);
  });