"""Clock-Plugin: Uhrzeit + Datum, responsive fuer alle Slot-Groessen.

Layout-Strategie pro Slot-Groesse:
  is_small (1x1 ~200x120): nur Big-Time zentriert
  is_wide  (4x1/2x1):       Time links gross, Datum rechts klein
  sonst (1x2/2x2/4x4):     Datum oben klein, Big-Time mittig, Wochentag unten
"""
import os, sys
from datetime import datetime
sys.path.insert(0, os.path.join(os.path.dirname(__file__), ".."))
from plugins.base import Widget
from palette import (FG, INFO, ACCENT, BLUE, OK,
                     measure, fit_font, centered_text,
                     is_small, is_wide, is_tall)


class Widget(Widget):
    name = "clock"
    label = "Uhrzeit / Datum"
    description = "Aktuelle Uhrzeit und Datum. Responsiv fuer 1x1 bis 4x4 Slots."
    category = "info"

    config_schema = [
        {"key": "format_24h", "label": "24-Stunden-Format", "type": "bool", "default": True},
        {"key": "show_seconds", "label": "Sekunden anzeigen", "type": "bool", "default": False},
        {"key": "show_date", "label": "Datum anzeigen", "type": "bool", "default": True},
        {"key": "show_weekday", "label": "Wochentag anzeigen", "type": "bool", "default": True},
        {"key": "accent_color", "label": "Akzentfarbe",
         "type": "select",
         "choices": ["info", "blue", "accent", "ok", "warn", "alert"],
         "default": "info",
         "help": "Farbe fuer Datum und Wochentag"},
        {"key": "weekday_color", "label": "Wochentag-Farbe",
         "type": "select",
         "choices": ["accent", "blue", "info", "ok", "warn", "alert"],
         "default": "accent"},
    ]
    default_config = {
        "format_24h": True, "show_seconds": False,
        "show_date": True, "show_weekday": True,
        "accent_color": "info", "weekday_color": "accent",
    }

    def fetch(self):
        return {}

    def render(self, draw, fonts, x, y, w, h):
        from palette import fill_for
        now = datetime.now()
        pad = 10

        time_str = now.strftime("%H:%M:%S" if self.cfg("show_seconds") else "%H:%M")
        date_str = now.strftime("%d %b %Y")
        day_str = now.strftime("%A").upper()

        accent = fill_for(self.cfg("accent_color", "info"))
        weekday_c = fill_for(self.cfg("weekday_color", "accent"))

        # === Mini-Modus: 1x1 oder sehr klein ===
        if is_small(w, h):
            font = fit_font(draw, time_str, fonts, w - 2 * pad, h - 2 * pad)
            centered_text(draw, time_str, x, y, w, h, font, FG)
            return

        # === Wide-Strip-Modus: 4x1 oder 2x1 ===
        if is_wide(w, h):
            # Big Time links
            font_time = fit_font(draw, time_str, fonts, w // 2 - 2 * pad, h - 2 * pad)
            centered_text(draw, time_str, x, y, w // 2, h, font_time, FG)
            # Datum + Wochentag rechts
            if self.cfg("show_date"):
                font_date = fit_font(draw, date_str, fonts, w // 2 - 2 * pad, h // 2 - 4)
                centered_text(draw, date_str, x + w // 2, y, w // 2, h // 2, font_date, accent)
            if self.cfg("show_weekday"):
                font_day = fit_font(draw, day_str, fonts, w // 2 - 2 * pad, h // 2 - 4)
                centered_text(draw, day_str, x + w // 2, y + h // 2, w // 2, h // 2, font_day, weekday_c)
            return

        # === Tall-Modus: schmal aber hoch ===
        if is_tall(w, h):
            # Vertikal: Time oben, dann Date, dann Weekday
            font_time = fit_font(draw, time_str, fonts, w - 2 * pad, int(h * 0.45))
            centered_text(draw, time_str, x, y, w, int(h * 0.45), font_time, FG)
            if self.cfg("show_date"):
                font_date = fit_font(draw, date_str, fonts, w - 2 * pad, int(h * 0.25))
                centered_text(draw, date_str, x, y + int(h * 0.45), w, int(h * 0.25), font_date, accent)
            if self.cfg("show_weekday"):
                font_day = fit_font(draw, day_str, fonts, w - 2 * pad, int(h * 0.20))
                centered_text(draw, day_str, x, y + int(h * 0.70), w, int(h * 0.20), font_day, weekday_c)
            return

        # === Standard-Modus: 2x2 oder groesser, quadratisch oder landscape ===
        # Drei Sektionen: Date (15%) | Time (60%) | Weekday (25%)
        date_h = int(h * 0.18) if self.cfg("show_date") else 0
        weekday_h = int(h * 0.18) if self.cfg("show_weekday") else 0
        time_h = h - date_h - weekday_h
        cur_y = y

        if self.cfg("show_date"):
            font_date = fit_font(draw, date_str, fonts, w - 2 * pad, date_h - 4)
            centered_text(draw, date_str, x, cur_y, w, date_h, font_date, accent)
            cur_y += date_h

        time_x = x
        time_w = w
        # Wenn weekday und date beide aus: Time zentriert ueber alles
        if not (self.cfg("show_date") or self.cfg("show_weekday")):
            time_y = y
        else:
            time_y = cur_y
        font_time = fit_font(draw, time_str, fonts, time_w - 2 * pad, time_h - 4)
        centered_text(draw, time_str, time_x, time_y, time_w, time_h, font_time, FG)
        cur_y += time_h

        if self.cfg("show_weekday"):
            font_day = fit_font(draw, day_str, fonts, w - 2 * pad, weekday_h - 4)
            centered_text(draw, day_str, x, cur_y, w, weekday_h, font_day, weekday_c)