# Copyright 2004-2017 Tom Rothamel <pytom@bishoujo.us>
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation files
# (the "Software"), to deal in the Software without restriction,
# including without limitation the rights to use, copy, modify, merge,
# publish, distribute, sublicense, and/or sell copies of the Software,
# and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
# This file contains the code for in-game Ren'Py error handling. It's a
# module (as opposed to a .rpy file) because that allows us to ensure
# that it is fully loaded or run before any other Ren'Py code runs.


init python in gui:
    system_font = None

init python:
    style._default = Style(None)

init python hide:

    if renpy.loadable("gui.rpy") or renpy.loadable("gui.rpyc"):
        config.screen_width, config.screen_height = 1280, 720

    def init_system_styles():
        if gui.system_font is not None:
            style._default.font = gui.system_font

    config.init_system_styles = init_system_styles

init label _errorhandling:

    python in gui:
        from store import config

        def _scale(n):
            return int(n * config.screen_height / 720)

        _wide = (config.screen_width >  (config.screen_height * 1.5))

    style _default:

        # Text properties
        font "DejaVuSans.ttf"
        language "unicode"
        antialias True
        size gui._scale(16)
        color "#404040"
        black_color (0, 0, 0, 255)
        bold False
        italic False
        underline False
        strikethrough False
        kerning 0.0
        drop_shadow None
        drop_shadow_color (0, 0, 0, 255)
        outlines [ ]
        minwidth 0
        text_align 0
        justify False
        text_y_fudge 0
        first_indent 0
        rest_indent 0
        line_spacing 0
        line_leading 0
        line_overlap_split 0
        layout "tex"
        subtitle_width 0.9
        slow_cps None
        slow_cps_multiplier 1.0
        slow_abortable False
        hinting "auto"
        adjust_spacing True

        # Window properties
        background None
        xpadding 0
        ypadding 0
        xmargin 0
        ymargin 0
        xfill False
        yfill False
        xminimum 0
        yminimum 0

        # Placement properties
        xpos None
        ypos None
        xanchor None
        yanchor None
        xmaximum None
        ymaximum None
        xoffset 0
        yoffset 0
        subpixel False

        # Sound properties
        activate_sound None
        hover_sound None

        # Box properties
        spacing 0
        first_spacing None
        box_layout None
        box_wrap False
        box_reverse False
        order_reverse False
        xfit False
        yfit False

        # Button properties
        focus_mask None
        focus_rect None
        keyboard_focus True
        key_events False
        hover_key_events True

        # Bar properties
        fore_bar Null()
        aft_bar Null()
        thumb None
        thumb_shadow None
        left_gutter 0
        right_gutter 0
        thumb_offset 0
        unscrollable None
        bar_invert False
        bar_vertical False

        # Viewport properties
        clipping False

    init python:
        # Temporarily, until the real styles can be defined.
        style.default = style._default
        style.image = style._default
        style.fixed = style._default

        ##########################################################################

    style _frame is _default:
        background "#d0d0d0"
        xpadding gui._scale(150 if gui._wide else 15)
        ypadding gui._scale(15)
        xfill True
        yfill True

    style _text is _default
    style _fixed is _default

    style _hbox is _default:
        box_layout 'horizontal'

    style _vbox is _default:
        box_layout 'vertical'

    style _grid is _default
    style _side is _default

    style _viewport is _default:
        xfill True
        yfill True

    style _button is _default:
        ypadding gui._scale(2)

    style _button_text is _default:
        size gui._scale(26)
        color "#405060"
        hover_color "#048"
        insensitive_color "#00000020"

    style _small_button is _button

    style _small_button_text is _button_text:
        size gui._scale(16)

    style _radio_button is _button:
        selected_background Solid("#048", xsize=gui._scale(5), ysize=gui._scale(22), yalign=0.5)
        left_padding gui._scale(15)

    style _radio_button_text is _button_text

    style _label is _default:
        top_margin gui._scale(10)
        bottom_margin gui._scale(15)

    style _label_text is _default:
        size gui._scale(40)
        kerning -1

    style _bar is _default:
        left_bar "#048"
        right_bar "#b0b0b0"
        ysize gui._scale(20)

    style _vbar is _default:
        bottom_bar "#048"
        top_bar "#b0b0b0"
        xsize gui._scale(20)
        bar_vertical True

    style _scrollbar is _default:
        thumb "#808080"
        hover_thumb "#a0a0a0"
        base_bar "#b0b0b0"
        unscrollable "hide"
        ymaximum gui._scale(10)

    style _vscrollbar is _default:
        thumb "#808080"
        hover_thumb "#a0a0a0"
        base_bar "#b0b0b0"
        unscrollable "hide"
        xmaximum gui._scale(10)
        bar_vertical True
        bar_invert True

    style _hyperlink is _default:
        color "#405060"
        hover_color Color("#048")

    # Early hyperlink support.
    python hide:
        def hyperlink_styler(target):
            return style._hyperlink

        def hyperlink_function(target):
            if target.startswith("http:"):
                try:
                    import webbrowser
                    webbrowser.open(target)
                except:
                    pass

            if target.startswith("edit:"):
                prefix, line, filename = target.split(":", 2)
                line = int(line)

                renpy.launch_editor([ filename ], line)

        style._default.hyperlink_functions = (hyperlink_styler, hyperlink_function, None)

    return

# Invokes _errorhanding when this is first loaded.
init:
    call _errorhandling

init python:

    # The keymap we use before the real keymap is defined.
    config.keymap = dict(

        # Bindings present almost everywhere, unless explicitly
        # disabled.
        toggle_fullscreen = [ 'f', 'alt_K_RETURN', 'alt_K_KP_ENTER', 'K_F11' ],
        reload_game = [ 'R' ],
        quit = [ 'meta_q', 'alt_K_F4', 'alt_q' ],
        iconify = [ 'meta_m', 'alt_m' ],
        choose_renderer = [ 'G' ],

        # Focus.
        focus_left = [ 'K_LEFT' ],
        focus_right = [ 'K_RIGHT' ],
        focus_up = [ 'K_UP' ],
        focus_down = [ 'K_DOWN' ],

        # Button.
        button_ignore = [ 'mousedown_1' ],
        button_select = [ 'mouseup_1', 'K_RETURN', 'K_KP_ENTER', 'K_SELECT' ],

        # Viewport.
        viewport_leftarrow = [ 'K_LEFT', 'repeat_K_LEFT' ],
        viewport_rightarrow = [ 'K_RIGHT', 'repeat_K_RIGHT' ],
        viewport_uparrow = [ 'K_UP', 'repeat_K_UP' ],
        viewport_downarrow = [ 'K_DOWN', 'repeat_K_DOWN' ],
        viewport_wheelup = [ 'mousedown_4' ],
        viewport_wheeldown = [ 'mousedown_5' ],
        viewport_drag_start = [ 'mousedown_1' ],
        viewport_drag_end = [ 'mouseup_1' ],

        # These control the bar.
        bar_activate = [ 'mousedown_1', 'K_RETURN', 'K_KP_ENTER', 'K_SELECT' ],
        bar_deactivate = [ 'mouseup_1', 'K_RETURN', 'K_KP_ENTER', 'K_SELECT' ],
        bar_decrease = [ 'K_LEFT' ],
        bar_increase = [ 'K_RIGHT' ],

        # Null console, just in case.
        console = [ ],
        )

    config.pad_bindings = {
        "pad_leftshoulder_press" : [ "rollback", ],
        "pad_lefttrigger_pos" : [ "rollback", ],
        "pad_back_press" : [ "rollback", ],

        "pad_guide_press" : [ "game_menu", ],
        "pad_start_press" : [ "game_menu", ],

        "pad_y_press" : [ "hide_windows", ],

        "pad_rightshoulder_press" : [ "rollforward", ],

        "pad_righttrigger_pos" : [ "dismiss", "button_select" ],
        "pad_a_press" : [ "dismiss", "button_select" ],
        "pad_b_press" : [ "button_alternate" ],

        "pad_dpleft_press" : [ "focus_left", "bar_left" ],
        "pad_leftx_neg" : [ "focus_left", "bar_left" ],
        "pad_rightx_neg" : [ "focus_left", "bar_left" ],

        "pad_dpright_press" : [ "focus_right", "bar_right" ],
        "pad_leftx_pos" : [ "focus_right", "bar_right" ],
        "pad_rightx_pos" : [ "focus_right", "bar_right" ],

        "pad_dpup_press" : [ "focus_up", "bar_up" ],
        "pad_lefty_neg" :  [ "focus_up", "bar_up" ],
        "pad_righty_neg" : [ "focus_up", "bar_up" ],

        "pad_dpdown_press" : [ "focus_down", "bar_down" ],
        "pad_lefty_pos" : [ "focus_down", "bar_down" ],
        "pad_righty_pos" : [ "focus_down", "bar_down" ],
    }

    # Null translation function. This gets redefined once things start
    # successfully.
    def _(s):
        return s

    # This function is responsible for taking a traceback, and converting
    # it to a string that can be shown with text.
    def __format_traceback(s):
        import re

        lines = [ i.replace("{", "{{") for i in s.split("\n") ]

        rv = [ ("{size=%d}" % gui._scale(22)) + lines[0] + "{/size}" ]

        for i in lines[1:]:
            i = re.sub(r'(File "(.*)", line (\d+))', r'{a=edit:\3:\2}\1{/a}', i)
            rv.append("  " + i)

        rv[1] = "{vspace=5}" + rv[1]

        return "\n".join(rv)


    def __format_parse_errors(s):
        import re

        rv = ""

        lines = s.split("\n")
        len_lines = len(lines)

        ln = 0

        while ln < len_lines:
            line = lines[ln]
            ln += 1

            if ln < len_lines and lines[ln].endswith("^"):
                highlight = len(lines[ln]) - 1
                ln += 1
            else:
                highlight = -1

            pos = 0

            for c in line:
                if pos == highlight:
                    rv += u"{color=#c00}\u2192{/color}"
                    highlight = -1

                pos += 1

                if c == "{":
                    rv += "{{"
                else:
                    rv += c

            if highlight > 0:
                rv += u"{color=#c00}\u2190{/color}"

            rv += "\n"


        rv = re.sub(r'(File "(.*)", line (\d+))', r'{a=edit:\3:\2}\1{/a}', rv)

        return rv

    class _EditFile(Action):
        def __init__(self, filename, line=1):
            self.filename = filename
            self.line = line

        def __call__(self):
            try:
                renpy.launch_editor([ self.filename ], self.line, transient=1)
            except:
                pass

    class _CopyFile(Action):
        def __init__(self, filename):
            self.filename = filename

        def __call__(self):
            import pygame.scrap

            with open(self.filename, "rb") as f:
                f.read(3) # skip the BOM.
                s = u"[code]\n{}[/code]\n".format(f.read().decode("utf-8"))

            s = s.replace("\n", "\r\n")
            s = s.replace("\r\r", "\r")

            pygame.scrap.put(pygame.SCRAP_TEXT, s.encode("utf-8"))

    def __can_open_traceback():
        return True

    class __TooltipAction(object):

        def __init__(self, tooltip, value):
            self.tooltip = tooltip
            self.value = value

        def __call__(self):
            if self.tooltip.value != self.value:
                self.tooltip.value = self.value
                renpy.restart_interaction()

        def unhovered(self):
            if self.tooltip.value != self.tooltip.default:
                self.tooltip.value = self.tooltip.default
                renpy.restart_interaction()

    class __Tooltip(object):
        def __init__(self, default):
            self.value = default
            self.default = default

        def action(self, value):
            return __TooltipAction(self, value)

    class __XScrollValue(BarValue):
        def __init__(self, viewport):
            self.viewport = viewport

        def get_adjustment(self):
            w = renpy.get_widget(None, self.viewport)
            if not isinstance(w, Viewport):
                raise Exception("The displayable with id %r is not declared, or not a viewport." % self.viewport)

            return w.xadjustment

        def get_style(self):
            return "scrollbar", "vscrollbar"

    class __YScrollValue(BarValue):
        def __init__(self, viewport):
            self.viewport = viewport

        def get_adjustment(self):
            w = renpy.get_widget(None, self.viewport)
            if not isinstance(w, Viewport):
                raise Exception("The displayable with id %r is not declared, or not a viewport." % self.viewport)

            return w.yadjustment

        def get_style(self):
            return "scrollbar", "vscrollbar"

    class __ErrorQuit(Action):
        """
        An action that quits with an error status.
        """

        def __call__(self):
            renpy.quit(status=1)

    class __EnterConsole(Action):
        """
        An action that enters the console if we can.
        """

        def __call__(self):
            try:
                f = _console.enter
            except:
                return None

            return f()

# This screen can be customized to add additional actions to the exception
# screen. It currently takes two positional parameters.
#
# * traceback_fn - a filename containing the exception text.
# * tt - a tooltip used for help text.
#
# For forward-compatibility, custom implmentations should use *args to ignore
# added arguments.
screen _exception_actions(traceback_fn, tt, *args):

    textbutton _("Open"):
        action _EditFile(traceback_fn)
        hovered tt.action(_("Opens the traceback.txt file in a text editor."))

    textbutton _("Copy"):
        action _CopyFile(traceback_fn)
        hovered tt.action(_("Copies the traceback.txt file to the clipboard."))


# The screen that is used for error handling.
screen _exception:
    modal True
    zorder 1090

    default tt = __Tooltip("")
    default fmt_short = __format_traceback(short)
    default fmt_full = __format_traceback(full)

    frame:
        style_group ""

        has side "t c b":
            spacing gui._scale(10)

        label _("An exception has occurred.")

        viewport:
            id "viewport"
            child_size (4000, None)
            mousewheel True
            draggable True
            scrollbars "both"

            has vbox

            text fmt_short substitute False
            text fmt_full substitute False

        vbox:
            hbox:
                spacing gui._scale(25)

                if rollback_action:
                    textbutton _("Rollback"):
                        action rollback_action
                        hovered tt.action(_("Attempts a roll back to a prior time, allowing you to save or choose a different choice."))

                if ignore_action:
                    textbutton _("Ignore"):
                        action ignore_action
                        hovered tt.action(_("Ignores the exception, allowing you to continue. This often leads to additional errors."))

                if config.developer and not renpy.mobile:
                    textbutton _("Reload"):
                        action reload_action
                        hovered tt.action(_("Reloads the game from disk, saving and restoring game state if possible."))

                    textbutton _("Console"):
                        action __EnterConsole()
                        hovered tt.action(_("Opens a console to allow debugging the problem."))



                use _exception_actions(traceback_fn, tt)

                vbox:
                    xfill True

                    textbutton _("Quit"):
                        xalign 1.0
                        action __ErrorQuit()
                        hovered tt.action(_("Quits the game."))

            # Tooltip.
            text tt.value

    if config.developer and reload_action:
        key "R" action reload_action

    key "console" action __EnterConsole()

# The screen that is used for error handling.
screen _parse_errors:
    modal True
    zorder 1090

    default tt = __Tooltip("")
    default fmt_errors = __format_parse_errors(errors)

    frame:
        style_group ""

        has side "t c b":
            spacing gui._scale(10)

        label _("Parsing the script failed.")

        viewport:
            id "viewport"
            child_size (4000, None)
            mousewheel True
            draggable True
            scrollbars "both"
            xfill True
            yfill True

            has vbox

            text fmt_errors substitute False

        vbox:

            hbox:
                spacing gui._scale(25)

                textbutton _("Reload"):
                    action reload_action
                    hovered tt.action(_("Reloads the game from disk, saving and restoring game state if possible."))

                textbutton _("Open"):
                    action _EditFile(error_fn)
                    hovered tt.action(_("Opens the errors.txt file in a text editor."))

                textbutton _("Copy"):
                    action _CopyFile(error_fn)
                    hovered tt.action(_("Copies the errors.txt file to the clipboard."))

                vbox:
                    xfill True

                    textbutton _("Quit"):
                        action __ErrorQuit()
                        hovered tt.action(_("Quits the game."))
                        xalign 1.0

            # Tooltip.
            text tt.value

    if config.developer and reload_action:
        key "R" action reload_action

