from fpdf import FPDF
"""
A script for generating A5 size pdf zines
with a text-file input, under development,
GPL3 Licence, Mara Karagianni 22 March 2021
"""

# Variables
header_font = 'helvetica'
header_font_size = 14
text_font = 'helvetica'
text_font_size = 10

top_margin = 15
left_margin = 20
right_margin = 20
max_left_margin = 160

max_height = 166
current_x = 20
current_y = 30
max_y = 166
max_x = 160
cell_width = 120
cell_header_height = 16
cell_height = 8

pdf = FPDF(orientation="L", unit="mm", format="A4")
pdf.set_font(header_font, 'B', header_font_size)
pdf.set_margins(top=top_margin, left=left_margin, right=right_margin)

pdf.add_page()

# Header
title = 'Painful Mailman Migrations'
pdf.cell(cell_width, cell_header_height, title, 0, ln=1, align='C')
pdf.dashed_line(
    current_x, current_y, current_x+cell_width, current_y,
    dash_length=3, space_length=3)

# set font for all text
pdf.set_font(text_font, size=text_font_size)

# file to get the text
filename = "./notes_sample"
text = open(filename).readlines()

# start x and y position
pdf.set_xy(current_x, current_y+9)

class Zine(FPDF):
    def __init__(self):
        super().__init__()
        self.cur_x = current_x
        self.cur_y = current_y
        self.max_x = max_left_margin
        self.max_y = max_height
        self.w_cell = cell_width
        self.text = text

    def new_signature(self):
        # create new page/signature
        self.add_page()
        self.set_xy(self.cur_x, self.cur_.y)
        self.set_margins(top=15, left=20, right=20)
        print('NEW SIGNATURE')

    def new_page(self):
        print('*****')
        print("BOTTOM OF PAGE, height is {}".format(pdf.get_y()))
        print('*****')
        self.set_xy(self.x, self.y)
        self.set_margins(
            top=15, left=160, right=20)

    def create_pages(self):
        index = 0
        for line in self.text:
            # check current page height and if we are in the right side of page
            if self.get_y() >= self.max_y and self.get_x() == self.max_x:
                self.new_signature()

            if self.get_y() >= self.max_y:
                self.new_page()

            self.multi_cell(
                self.w_cell, 166, self.text[index], 0, align='L')
            index += 1

#     def create_pages(self):
#         index = 0
#         for line in self.text:
#             # check current page height and if we are in the right side of page
#             if pdf.get_y() >= self.max_y and pdf.get_x() == self.max_x:
#                 self.new_signature()
#
#             if pdf.get_y() >= self.max_y:
#                 self.new_page()
#
#             pdf.multi_cell(
#                 self.w_cell, cell_height, self.text[index], 0, align='L')
#             index += 1

zine = Zine()
zine.create_pages()
pdf.output('new_trial.pdf')


# index = 0
# for line in text:
#     # check current page height
#     if pdf.get_y() >= max_height and pdf.get_x() == max_left_margin:
#         # create new page/signature
#         pdf.add_page()
#         pdf.set_xy(current_x, current_y)
#         pdf.set_margins(top=top_margin, left=left_margin, right=right_margin)
#         print('NEW SIGNATURE')
#
#     if pdf.get_y() >= max_height:
#         print('*****')
#         print("BOTTOM OF PAGE, height is {}".format(pdf.get_y()))
#         print('*****')
#
#         pdf.set_xy(max_left_margin, current_y)
#         pdf.set_margins(
#             top=top_margin, left=max_left_margin, right=right_margin)
#
#     if line == "\n":
#         # debug if empty lines are detected
#         print('EMPTY LINE {}'.format(line))
#
#     print("x {}, y {}".format(pdf.get_x(), pdf.get_y()))
#     print('============')
#
#     pdf.multi_cell(cell_width, cell_height, text[index], 0, align='L')
#     index += 1

# save pdf file