import { test as base, expect } from 'vitest'

import { Cell } from '.'
import { CellGrid } from '../structures'


interface TestFixture {
    grid: CellGrid<Cell>
}


const test = base.extend<TestFixture>({
    grid: CellGrid.default(10)
})

test('It should be initialized with default values', ({ grid }) => {
    const cell = grid.getCell([0, 0])!
    expect(cell.energy).toBeCloseTo(0)
    expect(cell.color.toHex()).toBe('#ffffff')
})

test('It should calculate the distance to another cell', ({ grid }) => {
    const cell = grid.getCell([0, 0])!
    const other = grid.getCell([0, 1])!
    expect(cell.distanceTo(other)).toBeCloseTo(1)
})

test('It should get immediate neighboring cells', ({ grid }) => {
    const cell = grid.getCell([5, 5])!
    const neighbors = cell.getNeighbors(grid)

    const expectedNeighbors = [
        [4,5],
        [6,5],
        [5,4],
        [5,6],
    ]

    expect(neighbors.map(cell => cell.location)).toEqual(expectedNeighbors)
})

test('It should get immediate neighboring cells and include self', ({ grid }) => {
    const cell = grid.getCell([5, 5])!
    const neighbors = cell.getNeighbors(grid, { includeSelf: true })

    const expectedNeighbors = [
        [4,5],
        [6,5],
        [5,4],
        [5,6],
        [5,5],
    ]
    expect(neighbors.map(cell => cell.location)).toEqual(expectedNeighbors)
})

test('It should include diagonal neighboring cells', ({ grid }) => {
    const cell = grid.getCell([5, 5])!
    const neighbors = cell.getNeighbors(grid, { includeDiagonals: true })

    const expectedNeighbors = [
        [4,5],
        [6,5],
        [5,4],
        [5,6],
        [4,4],
        [4,6],
        [6,4],
        [6,6],
    ]

    expect(neighbors.map(cell => cell.location)).toEqual(expectedNeighbors)
})