package day22

import "testing"

func TestSpaceSettleSingle(t *testing.T) {
	filename := "example"
	blocks := ReadBlockFile(filename)
	byZ := BlocksByZ(blocks)

	space := NewSpace(byZ)
	t.Logf("read space %+v", space)

	block := blocks[2]
	t.Logf("block before setting %+v", block)
	space.SettleBlock(block)
	t.Logf("space after settings %+v:\n%+v", block, space)
}

func TestSpaceSettleSecondNearby(t *testing.T) {
	filename := "example"
	blocks := ReadBlockFile(filename)
	byZ := BlocksByZ(blocks)

	space := NewSpace(byZ)
	t.Logf("read space %+v", space)

	block1 := blocks[0]
	block2 := blocks[3]
	t.Logf("block 1 before setting %+v", block1)
	space.SettleBlock(block1)
	t.Logf("space after settling block 1 %+v", space)
	t.Logf("block 2 before setting %+v", block2)
	space.SettleBlock(block2)
	t.Logf("space after settling block 2 %+v", space)
	t.Logf("space after settling %+v", space)
}

func TestSpaceSettleThirdOnTopFirst(t *testing.T) {
	filename := "example"
	blocks := ReadBlockFile(filename)
	byZ := BlocksByZ(blocks)

	space := NewSpace(byZ)
	t.Logf("read space %+v", space)

	block1 := blocks[0]
	block2 := blocks[3]
	block3 := blocks[2] // should overlap X & Y coords of block 1
	t.Logf("block 1 before setting %+v", block1)
	space.SettleBlock(block1)
	t.Logf("space after settling block 1 %+v", space)
	t.Logf("block 2 before setting %+v", block2)
	space.SettleBlock(block2)
	t.Logf("space after settling block 2 %+v", space)
	t.Logf("block 3 before setting %+v", block3)
	space.SettleBlock(block3)
	t.Logf("space after settling block 3 %+v", space)
	t.Logf("space after settling %+v", space)

	t.Logf("blocks 1 & 3 should support it: %+v , %+v", block1.Supports, block2.Supports)
	// because block 3 is 0-2, 2-2
	// and that overlaps 1-1, 0-2 AND 0-0, 0-2
	t.Logf("other blocks should not supt %+v", block3.Supports)
}

func TestSpaceExampleSettleAll(t *testing.T) {
	filename := "example"
	blocks := ReadBlockFile(filename)
	byZ := BlocksByZ(blocks)

	space := NewSpace(byZ)
	space.SettleAll()

	t.Logf("settled space %+v", space)

	// maybe i can check via console.
	i := 2
	t.Logf("level %d is : %+v", i, space.SettledOnZ[i])
	// it looks ok for the example.
	// let's hope?

	t.Logf("for example, free blocks amount is %d", space.CountFreeBlocks())
	// oh, i need 'supported'?
	// how do i need to count the task question
	// i guess we can start with set of all blocks, then?
	// run over all, if some block is only supported by some underBlock - remove that underblock
}