package patterns

// character maps referenced [y][x]
var masks = make(map[rune]*[5][]bool)

type Character struct {
	Character  rune
	Colour     Colour
	Background Colour

	initiated bool
	drawn     [][]Colour
}

func (s *Character) Draw(width, height int) *[][]Colour {
	if !s.initiated {
		s.init(width, height)
		s.initiated = true
	}
	return &s.drawn
}

func (s *Character) init(width, height int) {
	if width == 0 {
		if _, ok := masks[s.Character]; ok {
			width = len(masks[s.Character][0])
		}
	}

	s.drawn = make([][]Colour, width)
	for i := 0; i < width; i++ {
		s.drawn[i] = make([]Colour, height)
		for j := 0; j < height; j++ {
			s.drawn[i][j] = s.Background
			if val, ok := masks[s.Character]; ok {
				y := 5 - j - 1
				if i < len(val[y]) && val[y][i] {
					s.drawn[i][j] = s.Colour
				}
			}
		}
	}
}

func init() {
	masks['a'] = &[5][]bool{
		{true, true, true, true, true},
		{true, false, false, false, true},
		{true, true, true, true, true},
		{true, false, false, false, true},
		{true, false, false, false, true},
	}
	masks['A'] = masks['a']

	masks['b'] = &[5][]bool{
		{true, true, true, true, false},
		{true, false, false, false, true},
		{true, true, true, true, true},
		{true, false, false, false, true},
		{true, true, true, true, false},
	}
	masks['B'] = masks['b']

	masks['c'] = &[5][]bool{
		{true, true, true, true, true},
		{true, false, false, false, false},
		{true, false, false, false, false},
		{true, false, false, false, false},
		{true, true, true, true, true},
	}
	masks['C'] = masks['c']

	masks['d'] = &[5][]bool{
		{true, true, true, true, false},
		{true, false, false, false, true},
		{true, false, false, false, true},
		{true, false, false, false, true},
		{true, true, true, true, false},
	}
	masks['D'] = masks['d']

	masks['e'] = &[5][]bool{
		{true, true, true, true, true},
		{true, false, false, false, false},
		{true, true, true, true, false},
		{true, false, false, false, false},
		{true, true, true, true, true},
	}
	masks['E'] = masks['e']

	masks['f'] = &[5][]bool{
		{true, true, true, true, true},
		{true, false, false, false, false},
		{true, true, true, true, false},
		{true, false, false, false, false},
		{true, false, false, false, false},
	}
	masks['F'] = masks['f']

	masks['g'] = &[5][]bool{
		{true, true, true, true, true},
		{true, false, false, false, false},
		{true, false, true, true, true},
		{true, false, false, false, true},
		{true, true, true, true, true},
	}
	masks['G'] = masks['g']

	masks['h'] = &[5][]bool{
		{true, false, false, false, true},
		{true, false, false, false, true},
		{true, true, true, true, true},
		{true, false, false, false, true},
		{true, false, false, false, true},
	}
	masks['H'] = masks['h']

	masks['i'] = &[5][]bool{
		{true, true, true, true, true},
		{false, false, true, false, false},
		{false, false, true, false, false},
		{false, false, true, false, false},
		{true, true, true, true, true},
	}
	masks['I'] = masks['i']

	masks['j'] = &[5][]bool{
		{true, true, true, true},
		{false, false, true, false},
		{false, false, true, false},
		{true, false, true, false},
		{true, true, true, false},
	}
	masks['J'] = masks['j']

	masks['k'] = &[5][]bool{
		{true, false, false, true},
		{true, false, true, false},
		{true, true, false, false},
		{true, false, true, false},
		{true, false, false, true},
	}
	masks['K'] = masks['k']

	masks['l'] = &[5][]bool{
		{true, false, false, false, false},
		{true, false, false, false, false},
		{true, false, false, false, false},
		{true, false, false, false, false},
		{true, true, true, true, true},
	}
	masks['L'] = masks['l']

	masks['m'] = &[5][]bool{
		{true, false, false, false, true},
		{true, true, false, true, true},
		{true, false, true, false, true},
		{true, false, false, false, true},
		{true, false, false, false, true},
	}
	masks['M'] = masks['m']

	masks['n'] = &[5][]bool{
		{true, false, false, false, true},
		{true, true, false, false, true},
		{true, false, true, false, true},
		{true, false, false, true, true},
		{true, false, false, false, true},
	}
	masks['N'] = masks['n']

	masks['o'] = &[5][]bool{
		{true, true, true, true, true},
		{true, false, false, false, true},
		{true, false, false, false, true},
		{true, false, false, false, true},
		{true, true, true, true, true},
	}
	masks['O'] = masks['o']

	masks['p'] = &[5][]bool{
		{true, true, true, true, true},
		{true, false, false, false, true},
		{true, true, true, true, true},
		{true, false, false, false, false},
		{true, false, false, false, false},
	}
	masks['P'] = masks['p']

	masks['q'] = &[5][]bool{
		{true, true, true, true, true},
		{true, false, false, false, true},
		{true, false, false, false, true},
		{true, false, false, true, true},
		{true, true, true, true, true},
	}
	masks['Q'] = masks['q']

	masks['r'] = &[5][]bool{
		{true, true, true, true, true},
		{true, false, false, false, true},
		{true, true, true, true, true},
		{true, false, false, true, false},
		{true, false, false, false, true},
	}
	masks['R'] = masks['r']

	masks['s'] = &[5][]bool{
		{true, true, true, true, true},
		{true, false, false, false, false},
		{true, true, true, true, true},
		{false, false, false, false, true},
		{true, true, true, true, true},
	}
	masks['S'] = masks['s']

	masks['t'] = &[5][]bool{
		{true, true, true, true, true},
		{false, false, true, false, false},
		{false, false, true, false, false},
		{false, false, true, false, false},
		{false, false, true, false, false},
	}
	masks['T'] = masks['t']

	masks['u'] = &[5][]bool{
		{true, false, false, false, true},
		{true, false, false, false, true},
		{true, false, false, false, true},
		{true, false, false, false, true},
		{true, true, true, true, true},
	}
	masks['U'] = masks['u']

	masks['v'] = &[5][]bool{
		{true, false, false, false, true},
		{true, false, false, false, true},
		{false, true, false, true, false},
		{false, true, false, true, false},
		{false, false, true, false, false},
	}
	masks['V'] = masks['v']

	masks['w'] = &[5][]bool{
		{true, false, false, false, true},
		{true, false, false, false, true},
		{true, false, false, false, true},
		{true, false, true, false, true},
		{true, true, false, true, true},
	}
	masks['W'] = masks['w']

	masks['x'] = &[5][]bool{
		{true, false, false, false, true},
		{false, true, false, true, false},
		{false, false, true, false, false},
		{false, true, false, true, false},
		{true, false, false, false, true},
	}
	masks['X'] = masks['x']

	masks['y'] = &[5][]bool{
		{true, false, false, false, true},
		{false, true, false, true, false},
		{false, false, true, false, false},
		{false, false, true, false, false},
		{false, false, true, false, false},
	}
	masks['Y'] = masks['y']

	masks['z'] = &[5][]bool{
		{true, true, true, true, true},
		{false, false, false, true, false},
		{false, false, true, false, false},
		{false, true, false, false, false},
		{true, true, true, true, true},
	}
	masks['Z'] = masks['z']

	masks[' '] = &[5][]bool{
		{false},
		{false},
		{false},
		{false},
		{false},
	}

	masks['.'] = &[5][]bool{
		{false},
		{false},
		{false},
		{false},
		{true},
	}

	masks['!'] = &[5][]bool{
		{true},
		{true},
		{true},
		{false},
		{true},
	}
}