//
//  StoredCollectionTests.swift
//  LeStorageTests
//
//  Created by Laurent Morvillier on 16/10/2024.
//
import XCTest

@testable import LeStorage

class StoredCollectionTests: XCTestCase {

    var collection: StoredCollection<MockStorable>!

    override func setUp() {
        super.setUp()
        self.collection = Store.main.registerCollection()
    }

    override func tearDown() {
        self.collection.clear()
        super.tearDown()
    }

    func testInitialization() {
        XCTAssertEqual(collection.items.count, 0)
    }

    func testAddOrUpdate() throws {
        let item = MockStorable(id: "1", name: "Test")
        collection.addOrUpdate(instance: item)

        XCTAssertEqual(collection.items.count, 1)
        XCTAssertEqual(collection.items[0].id, "1")
    }

    func testDelete() throws {
        let item = MockStorable(id: "1", name: "Test")
        collection.addOrUpdate(instance: item)
        XCTAssertEqual(collection.items.count, 1)

        try collection.delete(instance: item)
        XCTAssertEqual(collection.items.count, 0)
    }

    func testFindById() throws {
        let item = MockStorable(id: "1", name: "Test")
        collection.addOrUpdate(instance: item)

        let foundItem = collection.findById("1")
        XCTAssertNotNil(foundItem)
        XCTAssertEqual(foundItem?.id, "1")
    }

    func testDeleteById() throws {
        let item = MockStorable(id: "1", name: "Test")
        collection.addOrUpdate(instance: item)

        try collection.deleteById("1")
        XCTAssertNil(collection.findById("1"))
    }

    func testAddOrUpdateMultiple() throws {
        let items = [
            MockStorable(id: "1", name: "Test1"),
            MockStorable(id: "2", name: "Test2"),
        ]

        collection.addOrUpdate(contentOfs: items)
        XCTAssertEqual(collection.items.count, 2)
    }

    func testDeleteAll() throws {
        let items = [
            MockStorable(id: "1", name: "Test1"),
            MockStorable(id: "2", name: "Test2"),
        ]

        collection.addOrUpdate(contentOfs: items)
        XCTAssertEqual(collection.items.count, 2)

        collection.clear()
        XCTAssertEqual(collection.items.count, 0)
    }

    func testRandomAccessCollection() {
        let items = [
            MockStorable(id: "1", name: "Test1"),
            MockStorable(id: "2", name: "Test2"),
            MockStorable(id: "3", name: "Test3"),
        ]

        collection.addOrUpdate(contentOfs: items)

        XCTAssertEqual(collection.startIndex, 0)
        XCTAssertEqual(collection.endIndex, 3)
        XCTAssertEqual(collection[1].name, "Test2")
    }
}

// Mock Storable for testing purposes
class MockStorable: ModelObject, Storable {
    static func filterByStoreIdentifier() -> Bool {
        return false
    }

    var id: String = Store.randomId()
    var name: String

    init(id: String, name: String) {
        self.id = id
        self.name = name
    }

    static func resourceName() -> String {
        return "mocks"
    }

}