#!/usr/bin/python3
# -*- coding: utf-8 -*-

"""
:mod:`sudoku_printer` module

:author: `FIL - IEEA - Univ. Lille1.fr <http://portail.fil.univ-lille1.fr>`_

:date: 2016, october

:Provides:

* print

:Example: with the grid

.. code-block:: text

   +-------+-------+-------+
   | 9 . 6 | . 2 8 | . . 3 |
   | . 4 . | 5 . . | . . 1 |
   | . 8 . | 9 . . | . 4 . |
   +-------+-------+-------+
   | 6 . . | . . . | . 7 . |
   | . . 8 | 2 . 6 | 9 . . |
   | . 3 . | . . . | . . 5 |
   +-------+-------+-------+
   | . 5 . | . . 3 | . 6 . |
   | 1 . . | . . 2 | . 8 . |
   | 2 . . | 8 7 . | 5 . . |
   +-------+-------+-------+

>>> import sudoku_grid
>>> strgrid = '906028003040500001080900040600000070008206900030000005050003060100002080200870500'
>>> grid = sudoku_grid.from_string(strgrid)
>>> print(grid)
+-------+-------+-------+
| 9 . 6 | . 2 8 | . . 3 |
| . 4 . | 5 . . | . . 1 |
| . 8 . | 9 . . | . 4 . |
+-------+-------+-------+
| 6 . . | . . . | . 7 . |
| . . 8 | 2 . 6 | 9 . . |
| . 3 . | . . . | . . 5 |
+-------+-------+-------+
| . 5 . | . . 3 | . 6 . |
| 1 . . | . . 2 | . 8 . |
| 2 . . | 8 7 . | 5 . . |
+-------+-------+-------+
"""

import builtins
import sudoku_grid

LINE_SEP = ('+' + '-' * 7) * 3 + '+'
LINE_TO_FILL = '| {} {} {} ' * 3 + '|'

def print(grid):
    for r in range(9):
        if r % 3 == 0: builtins.print(LINE_SEP)
        row = sudoku_grid.get_row(grid, r).replace(sudoku_grid.EMPTY_SYMBOL, '.')
        builtins.print(LINE_TO_FILL.format(*row))
    builtins.print(LINE_SEP)

def reset():
    builtins.print("\x1b[2J", end='')

def color_print(grid):
    reset()
    for r in range(9):
        if r % 3 == 0: builtins.print(LINE_SEP)
        row = sudoku_grid.get_row(grid, r).replace(sudoku_grid.EMPTY_SYMBOL, '.')
        builtins.print(LINE_TO_FILL.format(*row))
    builtins.print(LINE_SEP)


if __name__ == '__main__':
    import doctest
    doctest.testmod ()