# Copyright (c) 2025 @slhunter444. All rights reserved.

# This work is licensed under the MIT License.
# For a copy, see <https://opensource.org/licenses/MIT>.

# indie:lang_version = 5

from math import nan
from indie import indicator, plot, color, param, MutSeriesF
from indie.algorithms import Ema


@param.int('wave_len', default=10, title='Wave Channel Length')
@param.int('wave_avg', default=21, title='Wave Average Length')


@indicator('Cipher-Inspired Oscillator_v3.3[SLHunter444]')
@plot.line(color=color.BLUE, title='Wave 1')
@plot.line(color=color.ORANGE, title='Wave 2')
@plot.histogram(color=color.GREEN, title='Momentum')
@plot.marker(color=color.LIME, title='Buy')
@plot.marker(color=color.RED, title='Sell')
def Main(self, wave_len, wave_avg):
    # ─────────────────────────────────────────────
    # Built-in HLC3 (MANDATORY — no + allowed)
    # ─────────────────────────────────────────────
    hlc3 = self.hlc3

    esa = Ema.new(hlc3, wave_len)
    diff = MutSeriesF.new(abs(hlc3[0] - esa[0]))
    dev = Ema.new(diff, wave_len)

    ci = MutSeriesF.new((hlc3[0] - esa[0]) / (0.015 * dev[0]))
    wave1 = Ema.new(ci, wave_avg)
    wave2 = Ema.new(wave1, 4)

    momentum = MutSeriesF.new(wave1[0] - wave2[0])

    # ─────────────────────────────────────────────
    # Signals
    # ─────────────────────────────────────────────
    buy = nan
    sell = nan

    # Cross up: wave1 crosses above wave2 (wave1[0] > wave2[0] and wave1[1] <= wave2[1])
    if wave1[0] > wave2[0] and wave1[1] <= wave2[1] and wave1[0] < -50:
        buy = wave1[0]

    # Cross down: wave1 crosses below wave2 (wave1[0] < wave2[0] and wave1[1] >= wave2[1])
    if wave1[0] < wave2[0] and wave1[1] >= wave2[1] and wave1[0] > 50:
        sell = wave1[0]

    return wave1[0], wave2[0], momentum[0], buy, sell