package solver

import (
	"testing"

	"gitea.ligthert.net/golang/sudoku-funpark/controller"
	"gitea.ligthert.net/golang/sudoku-funpark/outputter"
)

// This function will test the loadBlocks function.
// Starts off by creating a new Solver struct.
// Then it will execute the loadBlocks function.
// Check if there are 9! blocks loaded.
// Check if the first block is "123456789".
// check if the last block is "987654321".
func TestLoadBlocks(t *testing.T) {

	// Do all the necesarry steps to initialize the solver.
	solver := Solver{}
	outp := outputter.Outputter{}
	outp.OutputType = "short"
	solver.Outp = &outp
	controller := controller.Controller{}
	solver.Controller = &controller
	solver.LoadBlocks()

	// Check if there are 9! blocks loaded.
	if len(solver.Controller.Blocks) != 362880 {
		t.Error("Expected 362880, got", len(solver.Controller.Blocks))
	}
	// Check if the first block is "123456789".
	if solver.Controller.Blocks[0] != "123456789" {
		t.Error("Expected 123456789, got", solver.Controller.Blocks[0])
	}
	// Check if the last block is "987654321".
	if solver.Controller.Blocks[362879] != "987654321" {
		t.Error("Expected 987654321, got", solver.Controller.Blocks[362879])
	}

}