// scripts/_create_vat_collection.js
// One-shot: create the ysterbaard_SARS_VAT_VAT201 collection via the
// PocketBase admin API. Safe to re-run: PB returns 400 on duplicate
// collection name, which we treat as "already exists".

const fs = require("node:fs");
const path = require("node:path");

// Load .env.local manually (no dotenv in node_modules)
const ENV_PATH = path.join(__dirname, "..", ".env.local");
for (const line of fs.readFileSync(ENV_PATH, "utf-8").split(/\r?\n/)) {
  const m = line.match(/^([A-Z_][A-Z0-9_]*)=(.*)$/);
  if (m && !process.env[m[1]]) process.env[m[1]] = m[2].trim();
}

const PB_URL = process.env.PB_URL;
const PB_TOKEN = process.env.PB_TOKEN;

if (!PB_URL || !PB_TOKEN) {
  console.error("PB_URL / PB_TOKEN missing in .env.local");
  process.exit(1);
}

const COLLECTION_NAME = "ysterbaard_SARS_VAT_VAT201";

const body = {
  name: COLLECTION_NAME,
  type: "base",
  schema: [
    {
      name: "period",
      type: "text",
      required: true,
      options: { min: 6, max: 6, pattern: "^\\d{6}$" },
    },
    {
      name: "Standard Rate 1",
      type: "number",
      required: false,
      options: {},
    },
    {
      name: "Zero Rate 2",
      type: "number",
      required: false,
      options: {},
    },
    {
      name: "Exempt and non Supplies 3",
      type: "number",
      required: false,
      options: {},
    },
    {
      name: "Capital goods and services supplied to you 14",
      type: "number",
      required: false,
      options: {},
    },
    {
      name: "Other goods and services supplied to you 15",
      type: "number",
      required: false,
      options: {},
    },
    { name: "total_payable", type: "number", required: false, options: {} },
    { name: "interest_d", type: "number", required: false, options: {} },
    { name: "penalties_d", type: "number", required: false, options: {} },
    {
      name: "status",
      type: "select",
      required: true,
      options: { maxSelect: 1, values: ["draft", "submitted", "paid"] },
    },
    { name: "date_submitted", type: "date", required: false, options: { min: "", max: "" } },
    { name: "date_paid", type: "date", required: false, options: { min: "", max: "" } },
    { name: "due_date", type: "date", required: false, options: { min: "", max: "" } },
    {
      name: "payment_reference",
      type: "text",
      required: false,
      options: { min: 0, max: 100, pattern: "" },
    },
    {
      // Hidden upsert key — mirrors EMP201
      name: "company_period_key",
      type: "text",
      required: false,
      options: { min: 0, max: 0, pattern: "" },
    },
    {
      name: "company",
      type: "relation",
      required: true,
      options: {
        collectionId: "pbc_3748838150", // ysterbaard_companies
        cascadeDelete: false,
        minSelect: 1,
        maxSelect: 1,
      },
    },
    { name: "Return_Filed", type: "bool", required: false, options: {} },
    { name: "last_updated", type: "date", required: false, options: { min: "", max: "" } },
    { name: "notes", type: "text", required: false, options: { min: 0, max: 0, pattern: "" } },
    // ── Contact fields (added 2026-09-13) ──────────────────────
    { name: "First Name", type: "text", required: false, options: { min: 0, max: 0, pattern: "" } },
    { name: "Surname", type: "text", required: false, options: { min: 0, max: 0, pattern: "" } },
    { name: "Capacity", type: "text", required: false, options: { min: 0, max: 0, pattern: "" } },
    { name: "Bus Tel no", type: "number", required: false, options: {} },
    { name: "Cell no", type: "number", required: false, options: {} },
    { name: "Contact Email", type: "email", required: false, options: { exceptDomains: [], onlyDomains: [] } },
    // ── End contact fields ─────────────────────────────────────
    { name: "is_active", type: "bool", required: false, options: {} },
    {
      name: "documents",
      type: "file",
      required: false,
      options: {
        maxSelect: 10,
        maxSize: 10485760,
        mimeTypes: ["application/pdf", "image/png", "image/jpeg"],
        thumbs: null,
        protected: false,
      },
    },
  ],
  indexes: [
    "CREATE UNIQUE INDEX idx_vat201_company_period ON ysterbaard_SARS_VAT_VAT201 (company_period_key)",
    "CREATE INDEX idx_vat201_period ON ysterbaard_SARS_VAT_VAT201 (period)",
    "CREATE INDEX idx_vat201_status ON ysterbaard_SARS_VAT_VAT201 (status)",
  ],
  listRule: null,
  viewRule: null,
  createRule: null,
  updateRule: null,
  deleteRule: null,
};

(async () => {
  console.log(`Target: ${body.name} (${body.schema.length} user-defined fields + ${body.indexes.length} indexes)`);

  // Step 1: POST the collection with schema only. PB will create the
  // collection and its columns. Indexes are added separately because
  // PB validates indexes against existing columns; if we POST them
  // in the same call the columns don't exist yet and the whole
  // transaction rolls back.
  const indexes = body.indexes;
  const createBody = { ...body, indexes: [] };

  console.log(`\n[1/2] POST /api/collections (schema only)`);
  const res = await fetch(`${PB_URL}/api/collections`, {
    method: "POST",
    headers: {
      Authorization: PB_TOKEN,
      "Content-Type": "application/json",
    },
    body: JSON.stringify(createBody),
  });

  const text = await res.text();
  console.log(`HTTP ${res.status}`);
  if (!res.ok) {
    console.error(`Failed: ${text.slice(0, 500)}`);
    if (res.status === 400 && /already exists/i.test(text)) {
      console.error("→ Collection already exists. Skipping create; will patch indexes.");
    } else {
      process.exit(1);
    }
  }
  const created = res.ok ? JSON.parse(text) : null;
  const collectionId = created?.id;
  if (created) {
    console.log(`Created collection id: ${collectionId}`);
    console.log(`Fields persisted: ${(created.schema || []).length}`);
  } else {
    // Look up the existing collection id by name
    const list = await fetch(`${PB_URL}/api/collections?perPage=200`, {
      headers: { Authorization: PB_TOKEN },
    });
    const all = (await list.json()).items || [];
    const existing = all.find((c) => c.name === body.name);
    if (!existing) {
      console.error("Could not find existing collection. Aborting.");
      process.exit(1);
    }
    console.log(`Found existing id: ${existing.id}`);
  }

  const targetId = collectionId || (await (async () => {
    const list = await fetch(`${PB_URL}/api/collections?perPage=200`, { headers: { Authorization: PB_TOKEN } });
    return ((await list.json()).items || []).find((c) => c.name === body.name)?.id;
  })());
  if (!targetId) {
    console.error("No collection id resolved. Aborting.");
    process.exit(1);
  }

  // Step 2: PATCH the collection to add the indexes. By now the
  // columns exist, so the CREATE INDEX statements succeed.
  console.log(`\n[2/2] PATCH /api/collections/${targetId} (add indexes)`);
  const patch = await fetch(`${PB_URL}/api/collections/${targetId}`, {
    method: "PATCH",
    headers: {
      Authorization: PB_TOKEN,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({ indexes }),
  });
  const patchText = await patch.text();
  console.log(`HTTP ${patch.status}`);
  if (!patch.ok) {
    console.error(`Failed: ${patchText.slice(0, 500)}`);
    process.exit(1);
  }
  const final = JSON.parse(patchText);
  console.log(`Final indexes: ${(final.indexes || []).length}`);
  for (const ix of final.indexes || []) console.log(`  - ${ix}`);

  // Step 3: verify field count
  console.log(`\nVerify: GET /api/collections/${targetId}`);
  const verify = await fetch(`${PB_URL}/api/collections/${targetId}`, {
    headers: { Authorization: PB_TOKEN },
  });
  const verifyJson = await verify.json();
  console.log(`  fields: ${(verifyJson.schema || []).length}`);
  console.log(`  indexes: ${(verifyJson.indexes || []).length}`);
  console.log(`  listRule: ${JSON.stringify(verifyJson.listRule)}`);
  console.log(`  name: ${verifyJson.name}`);
  console.log(`\nDone.`);
  process.exit(0);
})().catch((err) => {
  console.error("Unexpected error:", err);
  process.exit(1);
});