local p = {}

function p.dims()
	return 10, 10
end

function p.letters()
	return {'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J'}
end

function p.image_board(size)
	return string.format( '[[File:HiaShatar.svg|%dx%dpx|link=]]', 10 * size, 10 * size )
end

function p.image_square( pc, row, col, size )
	local colornames = {
		l = { m = 'white', f = 'white' },
		d = { m = 'black', f = 'black' }
	}
	local piecenames = {
		k = { name = 'king', gender = 'm' },
		h = { name = 'hia', gender = 'm' },
		q = { name = 'queen', gender = 'f' },
		b = { name = 'bishop', gender = 'm' },
		n = { name = 'knight', gender = 'm' },
		r = { name = 'rook', gender = 'f' },
		p = { name = 'pawn', gender = 'f' }
		}
	local symnames = {
		xx = 'black cross',
		ox = 'white cross',
		xo = 'black circle',
		oo = 'white circle',
		ul = 'arrow up-left',
		ua = 'arrow up',
		ur = 'arrow up-right',
		la = 'arrow left',
		ra = 'arrow right',
		dl = 'arrow down-left',
		da = 'arrow down',
		dr = 'arrow down-right',
		lr = 'arrow left-right',
		ud = 'arrow up-down',
		x0 = 'zero',
		x1 = 'one',
		x2 = 'two',
		x3 = 'three',
		x4 = 'four',
		x5 = 'five',
		x6 = 'six',
		x7 = 'seven',
		x8 = 'eight',
		x9 = 'nine',
	}
	local colchar = {'A','B','C','D','E','F','G','H','I','J'}
    local color = mw.ustring.gsub( pc, '^.*(%w)(%w).*$', '%2' ) or ''
    local piece = mw.ustring.gsub( pc, '^.*(%w)(%w).*$', '%1' ) or ''
    local alt = colchar[col] .. row .. ' '

    if colornames[color] and piecenames[piece] then
		alt = alt .. colornames[color][piecenames[piece]['gender']] .. ' ' .. piecenames[piece]['name']
    else
		alt = alt .. ( symnames[piece .. color] or piece .. ' ' .. color )
	end

	fn = ''

	if pc == 'kl' then
		fn = 'Chess klt45'
	elseif pc == 'kd' then
		fn = 'Chess kdt45'
	elseif pc == 'hl' then
		fn = 'Hia white'
	elseif pc == 'hd' then
		fn = 'Hia black'
	elseif pc == 'ql' then
		fn = 'Chess qlt45'
	elseif pc == 'qd' then
		fn = 'Chess qdt45'
	elseif pc == 'bl' then
		fn = 'Chess blt45'
	elseif pc == 'bd' then
		fn = 'Chess bdt45'
	elseif pc == 'nl' then
		fn = 'Chess nlt45'
	elseif pc == 'nd' then
		fn = 'Chess ndt45'
	elseif pc == 'rl' then
		fn = 'Chess rlt45'
	elseif pc == 'rd' then
		fn = 'Chess rdt45'
	elseif pc == 'pl' then
		fn = 'Chess plt45'
	elseif pc == 'pd' then
		fn = 'Chess pdt45'
	end

	return string.format( '[[File:%s.svg|%dx%dpx|alt=%s|%s|top]]', fn, size, size, alt, alt )

end

return p