# -*- coding: utf-8 -*-

from .__init__ import time_format, make_doc_template
from reportlab.lib.units import inch
from reportlab.lib.pagesizes import letter, portrait

from reportlab.platypus import Paragraph, Spacer, KeepTogether, Table
from reportlab.lib.styles import getSampleStyleSheet

from typing import List
from ptulsconv.docparser.adr_entity import ADRLine
from ptulsconv.broadcast_timecode import TimecodeFormat


def build_aux_data_field(line: ADRLine):
    entries = list()
    if line.reason is not None:
        entries.append("Reason: " + line.reason)
    if line.note is not None:
        entries.append("Note: " + line.note)
    if line.requested_by is not None:
        entries.append("Requested by: " + line.requested_by)
    if line.shot is not None:
        entries.append("Shot: " + line.shot)

    fg_color = 'white'
    tag_field = ""
    if line.effort:
        bg_color = 'red'
        tag_field += "<font backColor=%s textColor=%s fontSize=11>%s</font> " % (bg_color, fg_color, "EFF")
    elif line.tv:
        bg_color = 'blue'
        tag_field += "<font backColor=%s textColor=%s fontSize=11>%s</font> " % (bg_color, fg_color, "TV")
    elif line.adlib:
        bg_color = 'purple'
        tag_field += "<font backColor=%s textColor=%s fontSize=11>%s</font> " % (bg_color, fg_color, "ADLIB")
    elif line.optional:
        bg_color = 'green'
        tag_field += "<font backColor=%s textColor=%s fontSize=11>%s</font>" % (bg_color, fg_color, "OPTIONAL")

    entries.append(tag_field)

    return "<br />".join(entries)


def build_story(lines: List[ADRLine], tc_rate: TimecodeFormat, font_name='Helvetica'):
    story = list()

    this_scene = None
    scene_style = getSampleStyleSheet()['Normal']
    scene_style.fontName = font_name
    scene_style.leftIndent = 0.
    scene_style.leftPadding = 0.
    scene_style.spaceAfter = 18.
    line_style = getSampleStyleSheet()['Normal']
    line_style.fontName = font_name

    for line in lines:
        table_style = [('VALIGN', (0, 0), (-1, -1), 'TOP'),
                       ('LEFTPADDING', (0, 0), (0, 0), 0.0),
                       ('BOTTOMPADDING', (0, 0), (-1, -1), 24.)]

        cue_number_field = "%s<br /><font fontSize=7>%s</font>" % (line.cue_number, line.character_name)

        time_data = time_format(line.time_budget_mins)

        if line.priority is not None:
            time_data = time_data + "<br />" + "P: " + line.priority

        aux_data_field = build_aux_data_field(line)

        tc_data = build_tc_data(line, tc_rate)

        line_table_data = [[Paragraph(cue_number_field, line_style),
                            Paragraph(tc_data, line_style),
                            Paragraph(line.prompt, line_style),
                            Paragraph(time_data, line_style),
                            Paragraph(aux_data_field, line_style)
                            ]]

        line_table = Table(data=line_table_data,
                           colWidths=[inch * 0.75, inch, inch * 3., 0.5 * inch, inch * 2.],
                           style=table_style)

        if (line.scene or "[No Scene]") != this_scene:
            this_scene = line.scene or "[No Scene]"
            story.append(KeepTogether([
                Spacer(1., 0.25 * inch),
                Paragraph("<u>" + this_scene + "</u>", scene_style),
                line_table]))
        else:
            line_table.setStyle(table_style)
            story.append(KeepTogether([line_table]))

    return story


def build_tc_data(line: ADRLine, tc_format: TimecodeFormat):
    tc_data = tc_format.seconds_to_smpte(line.start) + "<br />" + \
              tc_format.seconds_to_smpte(line.finish)
    third_line = []
    if line.reel is not None:
        if line.reel[0:1] == 'R':
            third_line.append("%s" % line.reel)
        else:
            third_line.append("Reel %s" % line.reel)
    if line.version is not None:
        third_line.append("(%s)" % line.version)
    if len(third_line) > 0:
        tc_data = tc_data + "<br/>" + " ".join(third_line)
    return tc_data


def generate_report(page_size, lines: List[ADRLine], tc_rate: TimecodeFormat, character_number=None,
                    include_omitted=True):
    if character_number is not None:
        lines = [r for r in lines if r.character_id == character_number]
        title = "%s ADR Report (%s)" % (lines[0].title, lines[0].character_name)
        document_header = "%s ADR Report" % lines[0].character_name
    else:
        title = "%s ADR Report" % lines[0].title
        document_header = 'ADR Report'

    if not include_omitted:
        lines = [line for line in lines if not line.omitted]

    lines = sorted(lines, key=lambda line: line.start)

    filename = title + ".pdf"
    doc = make_doc_template(page_size=page_size,
                            filename=filename, document_title=title,
                            document_header=document_header,
                            title=lines[0].title,
                            supervisor=lines[0].supervisor,
                            client=lines[0].client,
                            document_subheader=lines[0].spot,
                            left_margin=0.75 * inch)
    story = build_story(lines, tc_rate)
    doc.build(story)


def output_report(lines: List[ADRLine], tc_display_format: TimecodeFormat,
                  page_size=portrait(letter), by_character=False):
    if by_character:
        character_numbers = set((r.character_id for r in lines))
        for n in character_numbers:
            generate_report(page_size, lines, tc_display_format, n)
    else:
        generate_report(page_size, lines, tc_display_format)
