import {useContext, useEffect, useState} from "react";
import {Coefs} from "../src/coefs"
import * as params from "../src/params";
import {PainterContext} from "../src/Canvas"
import {buildBlend} from "./buildBlend";
import {chaosGameFinal} from "./chaosGameFinal"
import {VariationEditor, VariationProps} from "./VariationEditor";
import {CoefEditor} from "./CoefEditor";
import {applyPost, applyTransform} from "../src/applyTransform";

export default function FlameFinal() {
    const {width, height, setPainter} = useContext(PainterContext);

    const [xformFinalCoefs, setXformFinalCoefs] = useState<Coefs>(params.xformFinalCoefs);
    const resetXformFinalCoefs = () => setXformFinalCoefs(params.xformFinalCoefs);

    const xformFinalVariationsDefault: VariationProps = {
        linear: 0,
        julia: 1,
        popcorn: 0,
        pdj: 0
    }
    const [xformFinalVariations, setXformFinalVariations] = useState<VariationProps>(xformFinalVariationsDefault);
    const resetXformFinalVariations = () => setXformFinalVariations(xformFinalVariationsDefault);

    const [xformFinalCoefsPost, setXformFinalCoefsPost] = useState<Coefs>(params.xformFinalCoefsPost);
    const resetXformFinalCoefsPost = () => setXformFinalCoefsPost(params.xformFinalCoefsPost);

    useEffect(() => {
        const finalBlend = buildBlend(xformFinalCoefs, xformFinalVariations);
        const finalXform = applyPost(xformFinalCoefsPost, applyTransform(xformFinalCoefs, finalBlend));

        setPainter(chaosGameFinal({width, height, transforms: params.xforms, final: finalXform}));
    }, [xformFinalCoefs, xformFinalVariations, xformFinalCoefsPost]);

    return (
        <>
            <CoefEditor title={"Final Transform"} isPost={false} coefs={xformFinalCoefs} setCoefs={setXformFinalCoefs}
                        resetCoefs={resetXformFinalCoefs}/>
            <VariationEditor title={"Final Transform Variations"} variations={xformFinalVariations}
                             setVariations={setXformFinalVariations} resetVariations={resetXformFinalVariations}/>
            <CoefEditor title={"Final Transform Post"} isPost={true} coefs={xformFinalCoefsPost}
                        setCoefs={setXformFinalCoefsPost} resetCoefs={resetXformFinalCoefsPost}/>
        </>
    )
}