<?php
namespace nur\sery\db\sqlite;

use nulib\tests\TestCase;
use nur\sery\cl;
use nur\sery\db\Capacitor;
use nur\sery\db\CapacitorChannel;

class SqliteStorageTest extends TestCase {
  function _testChargeStrings(SqliteStorage $storage, ?string $channel) {
    $storage->reset($channel);
    $storage->charge($channel, "first");
    $storage->charge($channel, "second");
    $storage->charge($channel, "third");
    $items = cl::all($storage->discharge($channel, false));
    self::assertSame(["first", "second", "third"], $items);
  }

  function _testChargeArrays(SqliteStorage $storage, ?string $channel) {
    $storage->reset($channel);
    $storage->charge($channel, ["id" => 10, "name" => "first"]);
    $storage->charge($channel, ["name" => "second", "id" => 20]);
    $storage->charge($channel, ["name" => "third", "id" => "30"]);
  }

  function testChargeStrings() {
    $storage = new SqliteStorage(__DIR__.'/capacitor.db');
    $this->_testChargeStrings($storage, null);
    $storage->close();
  }

  function testChargeArrays() {
    $storage = new SqliteStorage(__DIR__.'/capacitor.db');
    $storage->addChannel(new class extends CapacitorChannel {
      const NAME = "arrays";
      const COLUMN_DEFINITIONS = ["id" => "integer"];

      function getItemValues($item): ?array {
        return ["id" => $item["id"] ?? null];
      }
    });

    $this->_testChargeStrings($storage, "strings");
    $this->_testChargeArrays($storage, "arrays");
    $storage->close();
  }

  function testEach() {
    $storage = new SqliteStorage(__DIR__.'/capacitor.db');
    $capacitor = new Capacitor($storage, new class extends CapacitorChannel {
      const NAME = "each";
      const COLUMN_DEFINITIONS = [
        "age" => "integer",
        "done" => "integer default 0",
      ];

      function getItemValues($item): ?array {
        return [
          "age" => $item["age"],
        ];
      }
    });

    $capacitor->reset();
    $capacitor->charge(["name" => "first", "age" => 5]);
    $capacitor->charge(["name" => "second", "age" => 10]);
    $capacitor->charge(["name" => "third", "age" => 15]);
    $capacitor->charge(["name" => "fourth", "age" => 20]);

    $setDone = function ($item, $row, $suffix=null) {
      $updates = ["done" => 1];
      if ($suffix !== null) {
        $item["name"] .= $suffix;
        $updates["item"] = $item;
      }
      return $updates;
    };
    $capacitor->each(["age" => [">", 10]], $setDone, ["++"]);
    $capacitor->each(["done" => 0], $setDone, null);

    Txx(cl::all($capacitor->discharge(false)));
    $capacitor->close();
    self::assertTrue(true);
  }

  function testPrimayKey() {
    $storage = new SqliteStorage(__DIR__.'/capacitor.db');
    $capacitor = new Capacitor($storage, new class extends CapacitorChannel {
      const NAME = "pk";
      const COLUMN_DEFINITIONS = [
        "id_" => "varchar primary key",
        "done" => "integer default 0",
      ];

      function getItemValues($item): ?array {
        return [
          "id_" => $item["numero"],
        ];
      }
    });

    $capacitor->charge(["numero" => "a", "name" => "first", "age" => 5]);
    $capacitor->charge(["numero" => "b", "name" => "second", "age" => 10]);
    $capacitor->charge(["numero" => "c", "name" => "third", "age" => 15]);
    $capacitor->charge(["numero" => "d", "name" => "fourth", "age" => 20]);
    sleep(2);
    $capacitor->charge(["numero" => "b", "name" => "second", "age" => 100]);
    $capacitor->charge(["numero" => "d", "name" => "fourth", "age" => 200]);

    $capacitor->close();
    self::assertTrue(true);
  }

  function testSum() {
    $storage = new SqliteStorage(__DIR__.'/capacitor.db');
    $capacitor = new Capacitor($storage, new class extends CapacitorChannel {
      const NAME = "sum";
      const COLUMN_DEFINITIONS = [
        "a__" => "varchar",
        "b__" => "varchar",
        "b__sum_" => self::SUM_DEFINITION,
      ];

      function getItemValues($item): ?array {
        return [
          "a" => $item["a"],
          "b" => $item["b"],
        ];
      }
    });

    $capacitor->reset();
    $capacitor->charge(["a" => null, "b" => null]);
    $capacitor->charge(["a" => "first", "b" => "second"]);

    Txx("=== all");
    /** @var Sqlite $sqlite */
    $sqlite = $capacitor->getStorage()->db();
    Txx(cl::all($sqlite->all([
      "select",
      "from" => $capacitor->getChannel()->getTableName(),
    ])));
    Txx("=== each");
    $capacitor->each(null, function ($item, $values) {
      Txx($values);
    });

    $capacitor->close();
    self::assertTrue(true);
  }
}