/**
 * Copyright (c) 2020 mol* contributors, licensed under MIT, See LICENSE file for more info.
 *
 * @author Alexander Rose <alexander.rose@weirdbyte.de>
 */

import { ParamDefinition as PD } from 'molstar/lib/mol-util/param-definition';
import { TrajectoryHierarchyPresetProvider } from 'molstar/lib/mol-plugin-state/builder/structure/hierarchy-preset';
import { PluginStateObject } from 'molstar/lib/mol-plugin-state/objects';
import {
    StateObjectSelector,
    StateObject,
    StateTransformer,
    StateObjectRef,
} from 'molstar/lib/mol-state';
import { Mat4, Vec3 } from 'molstar/lib/mol-math/linear-algebra';
import { Target } from '@rcsb/rcsb-molstar/build/src/viewer/helpers/selection';
import { MembraneOrientationPreset } from './tmdet-extension/behavior';
import { TmDetDescriptorCache } from './tmdet-extension/prop';
import { DebugUtil } from './tmdet-extension/debug-utils';
import { StateTransforms } from 'molstar/lib/mol-plugin-state/transforms';
import { applyTransformations } from './tmdet-extension/transformation';

type BaseProps = {
    assemblyId?: string
    modelIndex?: number
    plddt?: 'off' | 'single-chain' | 'on'
}

export { Mat4 } from 'molstar/lib/mol-math/linear-algebra';

export type AlignmentProps = {
    kind: 'alignment',
    targets?: (Target & {
        matrix?: Mat4
    })[],
    colors: {
        value: number,
        targets: Target[]
    }[]
} & BaseProps

export type EmptyProps = {
    kind: 'empty'
} & BaseProps

type ValidationProps = {
    kind: 'validation'
    colorTheme?: string
    showClashes?: boolean
} & BaseProps

type StandardProps = {
    kind: 'standard'
} & BaseProps

type SymmetryProps = {
    kind: 'symmetry'
    symmetryIndex?: number
} & BaseProps

type FeatureProps = {
    kind: 'feature'
    target: Target
} & BaseProps

type DensityProps = {
    kind: 'density'
} & BaseProps

type MembraneProps = {
    kind: 'membrane',
} & BaseProps

type FeatureDensityProps = {
    kind: 'feature-density',
    target: Target,
    radius?: number,
    hiddenChannels?: string[]
} & BaseProps

export type MotifProps = {
    kind: 'motif',
    label?: string,
    targets: Target[],
    color?: number
} & BaseProps

export type NakbProps = {
    kind: 'nakb'
} & BaseProps

export type PresetProps = ValidationProps | StandardProps | SymmetryProps | FeatureProps | DensityProps | AlignmentProps |
MembraneProps | FeatureDensityProps | MotifProps | NakbProps | EmptyProps;

const RcsbParams = () => ({
    preset: PD.Value<PresetProps>({ kind: 'standard', assemblyId: '' }, { isHidden: true })
});

type StructureObject = StateObjectSelector<PluginStateObject.Molecule.Structure, StateTransformer<StateObject<any, StateObject.Type<any>>, StateObject<any, StateObject.Type<any>>, any>>

export const TmDetRcsbPreset = TrajectoryHierarchyPresetProvider({
    id: 'tmdet-preset-trajectory-rcsb',
    display: { name: 'TMDET RCSB Preset' },
    isApplicable: () => true,
    params: RcsbParams,
    async apply(trajectory: StateObjectRef<PluginStateObject.Molecule.Trajectory>, params, plugin) {
        console.log('TMDET RCSB PRESET: apply start', params);

        const modelParams = { modelIndex: 0 };

        const props = {
            type: {
                name: 'assembly' as const,
                params: { id: '1' }
            }
        };

        await plugin.state.data.build().to(trajectory)
            .apply(StateTransforms.Model.ModelFromTrajectory, modelParams, { ref: 'model' })
            .apply(StateTransforms.Model.StructureFromModel, props, { ref: 'assembly' })
            .apply(StateTransforms.Model.TransformStructureConformation, {
                    transform: {
                        name: 'components',
                        params: { axis: Vec3.unitY, angle: 90, translation: Vec3.zero() }
                    }
                })
            .commit();

        const builder = plugin.builders.structure;
        const model = new StateObjectSelector(plugin.state.data.build().to('model').ref, plugin.state.data);
        const modelProperties = await builder.insertModelProperties(model.ref);
        const structure = new StateObjectSelector(plugin.state.data.build().to('assembly').ref, plugin.state.data);
        const structureProperties = await builder.insertStructureProperties(structure);
        // const representation = await plugin.builders.structure.representation.applyPreset(
        //     structureProperties, 'auto', { theme: { globalName: 'tmdet-custom-color-theme' } });

        const representation = await plugin.builders.structure.representation.applyPreset<any>(structureProperties, MembraneOrientationPreset, {});

        // await plugin.builders.structure.hierarchy.applyPreset(
        //     trajectory, 'default', { representationPreset: TMDET_STRUCTURE_PRESET_ID as any });

        (window as any).plugin = plugin;

        const result = {
            model,
            modelProperties,
            unitcell: undefined,
            structure,
            structureProperties,
            representation
        };
        console.log(result);

        return result;
    }
});