#  -------------------------------
#  Difficult Rocket
#  Copyright © 2021-2022 by shenjackyuanjie 3695888@qq.com
#  All rights reserved
#  -------------------------------

"""
writen by shenjackyuanjie
mail:   3695888@qq.com
github: @shenjackyuanjie
gitee:  @shenjackyuanjie
"""

# system function
import os
import time
import logging
import traceback

from decimal import Decimal

# Difficult_Rocket function
from Difficult_Rocket.command import line, tree
from Difficult_Rocket.utils import new_thread
from Difficult_Rocket.utils.translate import tr
from Difficult_Rocket.guis.widgets import InputBox
# from Difficult_Rocket.client.screen import DRScreen
from Difficult_Rocket.utils import tools, translate
from Difficult_Rocket.client.fps.fps_log import FpsLogger
from Difficult_Rocket.exception.command import CommandError

from libs import pyglet
from libs.pyglet.window import Window
from libs.pyglet.window import key, mouse
from libs import toml


class Client:
    def __init__(self, net_mode='local'):
        start_time = time.time_ns()
        # logging
        self.logger = logging.getLogger('client')
        # config
        self.config = tools.load_file('./configs/main.toml')
        # value
        self.process_id = 'Client'
        self.process_name = 'Client process'
        self.process_pid = os.getpid()
        self.net_mode = net_mode
        self.caption = tools.name_handler(self.config['window']['caption'], {'version': self.config['runtime']['version']})
        self.window = ClientWindow(net_mode=self.net_mode,
                                   width=int(self.config['window']['width']),
                                   height=int(self.config['window']['height']),
                                   fullscreen=tools.format_bool(self.config['window']['full_screen']),
                                   caption=self.caption,
                                   resizable=tools.format_bool(self.config['window']['resizable']),
                                   visible=tools.format_bool(self.config['window']['visible']))
        self.logger.info(tr.lang('client', 'setup.done'))
        end_time = time.time_ns()
        self.use_time = end_time - start_time
        self.logger.info(tr.lang('client', 'setup.use_time').format(Decimal(self.use_time) / 1000000000))
        self.logger.debug(tr.lang('client', 'setup.use_time_ns').format(self.use_time))

    def start(self):
        self.window.start_game()  # 游戏启动
        # TODO 写一下服务端启动相关，还是需要服务端啊


def pyglet_load_fonts_folder(folder) -> None:
    file_folder_list = os.listdir(folder)
    for obj in file_folder_list:
        if os.path.isfile(os.path.join(folder, obj)):
            if obj[-4:] == '.ttf':
                pyglet.font.add_file(os.path.join(folder, obj))
        else:
            pyglet_load_fonts_folder(os.path.join(folder, obj))


class ClientWindow(Window):

    def __init__(self, net_mode='local', *args, **kwargs):
        """

        @param net_mode:
        @param args:
        @param kwargs:
        """
        start_time = time.time_ns()
        super().__init__(*args, **kwargs)
        # logging
        self.logger = logging.getLogger('client')
        # value
        self.net_mode = net_mode
        self.run_input = False
        # configs
        pyglet.resource.path = ['/textures/']
        pyglet.resource.reindex()
        self.set_icon(pyglet.image.load('./textures/icon.png'))
        self.main_config = tools.load_file('./configs/main.toml')
        self.game_config = tools.load_file('./configs/game.config')
        # FPS
        self.FPS = Decimal(int(self.main_config['runtime']['fps']))
        self.SPF = Decimal('1') / self.FPS
        self.fps_log = FpsLogger(stable_fps=int(self.FPS))
        # batch
        self.part_batch = pyglet.graphics.Batch()
        self.label_batch = pyglet.graphics.Batch()
        # frame
        self.frame = pyglet.gui.Frame(self, order=20)
        self.M_frame = pyglet.gui.MovableFrame(self, modifier=key.LCTRL)
        # self.DRscreen = DRScreen(self)
        # setup
        self.setup()
        # 命令显示
        self.command_group = pyglet.graphics.Group(0)
        self.command_tree = tree.CommandTree(tree.DR_command)
        self.input_box = InputBox(x=50, y=30, width=300, height=20,
                                  batch=self.label_batch)  # 实例化
        self.push_handlers(self.input_box)
        self.input_box.enabled = True
        # fps显示
        self.fps_label = pyglet.text.Label(x=10, y=self.height - 10,
                                           width=self.width - 20, height=20,
                                           anchor_x='left', anchor_y='top',
                                           font_name=translate.微软等宽无线, font_size=20,
                                           multiline=True,
                                           batch=self.label_batch, group=self.command_group)
        # 设置刷新率
        pyglet.clock.schedule_interval(self.draw_update, float(self.SPF))
        # 完成设置后的信息输出
        self.logger.info(tr.lang('window', 'setup.done'))
        self.logger.info(tr.lang('window', 'os.pid_is').format(os.getpid(), os.getppid()))
        end_time = time.time_ns()
        self.use_time = end_time - start_time
        self.logger.info(tr.lang('window', 'setup.use_time').format(Decimal(self.use_time) / 1000000000))
        self.logger.debug(tr.lang('window', 'setup.use_time_ns').format(self.use_time))
        self.count = 0

    def setup(self):
        self.load_fonts()

    def load_fonts(self):
        fonts_folder_path = self.main_config['runtime']['fonts_folder']
        # 加载字体路径
        # 淦，还写了个递归来处理
        pyglet_load_fonts_folder(fonts_folder_path)

    # @new_thread('window load_editor')
    def load_editor(self):
        pass

    def start_game(self) -> None:
        self.run_input = True
        self.read_input()
        pyglet.app.event_loop.run(1 / self.main_config['runtime']['fps'])

    @new_thread('window read_input', daemon=True)
    def read_input(self):
        self.logger.debug('read_input start')
        while self.run_input:
            get = input()
            if get in ('', ' ', '\n', '\r'):
                continue
            if get == 'stop':
                self.run_input = False
            try:
                self.on_command(line.CommandText(get))
            except CommandError:
                self.logger.error(traceback.format_exc())
        self.logger.debug('read_input end')

    @new_thread('window save_info')
    def save_info(self):
        self.logger.info('save_info start')
        config_file = tools.load_file('./configs/main.toml')
        config_file['window']['width'] = self.width
        config_file['window']['height'] = self.height
        toml.dump(config_file, open('./configs/main.toml', 'w'))
        self.logger.info('save_info end')

    """
    draws and some event
    """

    def draw_update(self, tick: float):
        # self.count += 1
        # if self.count >= 100:
        #     try:
        #         self.count = 0
        #         self.logger.debug(tick)
        #         self.logger.debug('update! {} {}'.format(tick, pyglet.clock.get_frequency()))
        #     except ZeroDivisionError:
        #         pass
        decimal_tick = Decimal(str(tick)[:10])
        self.FPS_update(decimal_tick)

    def FPS_update(self, tick: Decimal):
        now_FPS = pyglet.clock.get_frequency()
        self.fps_log.update_tick(now_FPS, tick)

        self.fps_label.text = f'FPS: {self.fps_log.fps: >5.1f}({self.fps_log.middle_fps: >5.1f})[{now_FPS: >.7f}]\n {self.fps_log.max_fps: >7.1f} {self.fps_log.min_fps:>5.1f}'

    def on_draw(self, *dt):
        # self.logger.debug('on_draw call dt: {}'.format(dt))
        self.clear()
        self.draw_batch()

    def on_resize(self, width: int, height: int):
        super().on_resize(width, height)
        self.fps_label.y = height - 10

    def on_refresh(self, dt):
        ...

    def draw_batch(self):
        self.part_batch.draw()
        self.label_batch.draw()

    """
    command line event
    """

    def on_command(self, command: line.CommandText):
        self.logger.info(tr.lang('window', 'command.text').format(command))
        if command.match('stop'):
            self.dispatch_event('on_exit')
            # platform_event_loop.stop()
            self.dispatch_event('on_close', 'command')  # source = command
        elif command.match('fps'):
            if command.match('log'):
                self.logger.debug(self.fps_log.fps_list)
            elif command.match('max'):
                self.logger.info(self.fps_log.max_fps)
                self.command.push_line(self.fps_log.max_fps, block_line=True)
            elif command.match('min'):
                self.logger.info(self.fps_log.min_fps)
                self.command.push_line(self.fps_log.min_fps, block_line=True)
        elif command.match('default'):
            self.set_size(int(self.main_config['window_default']['width']), int(self.main_config['window_default']['height']))
        self.command_tree.parse(command.plain_command)

    def on_message(self, message: line.CommandLine.text):
        self.logger.info(tr.lang('window', 'message.text').format(message))

    """
    keyboard and mouse input
    """

    def activate(self):
        super().activate()

    def on_mouse_motion(self, x, y, dx, dy) -> None:
        pass

    def on_mouse_drag(self, x, y, dx, dy, buttons, modifiers) -> None:
        pass

    def on_mouse_press(self, x, y, button, modifiers) -> None:
        self.logger.debug(tr.lang('window', 'mouse.press').format([x, y], tr.lang('window', 'mouse.{}'.format(mouse.buttons_string(button)))))

    def on_mouse_release(self, x, y, button, modifiers) -> None:
        self.logger.debug(tr.lang('window', 'mouse.release').format([x, y], tr.lang('window', 'mouse.{}'.format(mouse.buttons_string(button)))))

    def on_key_press(self, symbol, modifiers) -> None:
        if symbol == key.ESCAPE and not (modifiers & ~(key.MOD_NUMLOCK |
                                                       key.MOD_CAPSLOCK |
                                                       key.MOD_SCROLLLOCK)):
            self.dispatch_event('on_close')
        self.logger.debug(tr.lang('window', 'key.press').format(key.symbol_string(symbol), key.modifiers_string(modifiers)))

    def on_key_release(self, symbol, modifiers) -> None:
        self.logger.debug(tr.lang('window', 'key.release').format(key.symbol_string(symbol), key.modifiers_string(modifiers)))

    def on_text(self, text):
        if text == '\r':
            self.logger.debug(tr.lang('window', 'text.new_line'))
        else:
            self.logger.debug(tr.lang('window', 'text.input').format(text))
            if text == 't':
                self.input_box.enabled = True

    def on_text_motion(self, motion):
        motion_string = key.motion_string(motion)
        self.logger.debug(tr.lang('window', 'text.motion').format(motion_string))

    def on_text_motion_select(self, motion):
        motion_string = key.motion_string(motion)
        self.logger.debug(tr.lang('window', 'text.motion_select').format(motion_string))

    def on_close(self, source: str = 'window') -> None:
        self.logger.info(tr.lang('window', 'game.stop_get').format(tr.lang('window', f'game.{source}_stop')))
        self.logger.info(tr.lang('window', 'game.stop'))
        self.fps_log.check_list = False
        if self.run_input:
            self.run_input = False
        self.save_info()
        super().on_close()
        self.logger.info(tr.lang('window', 'game.end'))