local r = {
    -- Makes a window and returns it's buffer.
    make_window = function(width, height, x, y, style, relative)
        local buf = vim.api.nvim_create_buf(false, true)
        local opts = {
            style = style,
            relative = relative,
            width = width,
            height = height,
            row = x,
            col = y
        }
        local win = vim.api.nvim_open_win(buf, true, opts)
        return buf
    end
}
return r

--Opens a terminal in a floating window.
local OpenTerminal = function(size_x_percent, size_y_percent)
    local utils = require('plugins/utils')
    local width = vim.api.nvim_get_option("columns")
    local height = vim.api.nvim_get_option("lines")
    local win_height = math.ceil(height * size_x_percent)
    local win_width = math.ceil(width * size_y_percent)
    local col_pos = math.floor(width * (1-size_y_percent)/2)
    local row_pos = math.floor(height * (1-size_x_percent)/2)
    local buffer = utils.make_window(win_width, win_height, row_pos, col_pos, "minimal", "editor")
    vim.api.nvim_command('term')
end
local r = {
    -- Takes a x and y as percentage size of the screen.
    open = function(x, y) OpenTerminal(x, y) end
}
return r

--Make a new fzf window.
local OpenFZF = function(action, size_x_percent, size_y_percent)
    --vim.g.fzf_colors = {
    --    ["fg"]=      {'fg', 'Normal'},
    --    ["bg"]=      {'bg', 'Normal'},
    --    ["hl"]=      {'fg', 'Comment'},
    --    ["fg+"]=     {'fg', 'CursorLine', 'CursorColumn', 'Normal'},
    --    ["bg+"]=     {'bg', 'CursorLine', 'CursorColumn'},
    --    ["hl+"]=     {'fg', 'Statement'},
    --    ["info"]=    {'fg', 'PreProc'},
    --    ["border"]=  {'fg', 'Ignore'},
    --    ["prompt"]=  {'fg', 'Conditional'},
    --    ["pointer"]= {'fg', 'Exception'},
    --    ["marker"]=  {'fg', 'Keyword'},
    --    ["spinner"]= {'fg', 'Label'},
    --    ["header"]=  {'fg', 'Comment'}
    --}
    local cmd = ":call fzf#run(fzf#wrap({"..
        string.format("'sink': '%s',", action)..
        "'source': 'rg --files',"..
        [['options': '--preview-window=50% --preview="bat {} --color=always --style=plain"',]]..
        string.format("'window': {'width': %f, 'height': %f, 'border': 'no'},", size_x_percent, size_y_percent)..
    "}))"
    vim.api.nvim_command(cmd)
end
local r = {
    open = function(action, x, y) OpenFZF(action, x, y) end
}
return r