/**
 * Copyright (c) 2019-2020 mol* contributors, licensed under MIT, See LICENSE file for more info.
 *
 * @author Alexander Rose <alexander.rose@weirdbyte.de>
 */

import { PluginStateObject as PSO, PluginStateTransform } from '../../mol-plugin-state/objects';
import { ParamDefinition as PD } from '../../mol-util/param-definition';
import { Task } from '../../mol-task';
import { CellPack as _CellPack, Cell, CellPacking } from './data';
import { createStructureFromCellPack } from './model';
import { IngredientFiles } from './util';
import { Asset } from '../../mol-util/assets';
import { PluginContext } from '../../mol-plugin/context';
import { CellPackInfoProvider } from './property';
import { Structure, StructureSymmetry, Unit } from '../../mol-model/structure';
import { ModelSymmetry } from '../../mol-model-formats/structure/property/symmetry';

export const DefaultCellPackBaseUrl = 'https://mesoscope.scripps.edu/data/cellPACK_data/cellPACK_database_1.1.0/';

export class CellPack extends PSO.Create<_CellPack>({ name: 'CellPack', typeClass: 'Object' }) { }

export { ParseCellPack };
type ParseCellPack = typeof ParseCellPack
const ParseCellPack = PluginStateTransform.BuiltIn({
    name: 'parse-cellpack',
    display: { name: 'Parse CellPack', description: 'Parse CellPack from JSON data' },
    from: PSO.Format.Json,
    to: CellPack
})({
    apply({ a }) {
        return Task.create('Parse CellPack', async ctx => {
            const cell = a.data as Cell;

            const packings: CellPacking[] = [];
            const { compartments, cytoplasme } = cell;
            if (compartments) {
                for (const name in compartments) {
                    const { surface, interior } = compartments[name];
                    if (surface) packings.push({ name, location: 'surface', ingredients: surface.ingredients });
                    if (interior) packings.push({ name, location: 'interior', ingredients: interior.ingredients });
                }
            }
            if (cytoplasme) packings.push({ name: 'Cytoplasme', location: 'cytoplasme', ingredients: cytoplasme.ingredients });

            return new CellPack({ cell, packings });
        });
    }
});

export { StructureFromCellpack };
type StructureFromCellpack = typeof ParseCellPack
const StructureFromCellpack = PluginStateTransform.BuiltIn({
    name: 'structure-from-cellpack',
    display: { name: 'Structure from CellPack', description: 'Create Structure from CellPack Packing' },
    from: CellPack,
    to: PSO.Molecule.Structure,
    params: a => {
        const options = a ? a.data.packings.map((d, i) => [i, d.name] as const) : [];
        return {
            packing: PD.Select(0, options),
            baseUrl: PD.Text(DefaultCellPackBaseUrl),
            ingredientFiles: PD.FileList({ accept: '.cif,.bcif,.pdb' })
        };
    }
})({
    apply({ a, params, cache }, plugin: PluginContext) {
        return Task.create('Structure from CellPack', async ctx => {
            const packing = a.data.packings[params.packing];
            const ingredientFiles: IngredientFiles = {};
            if (params.ingredientFiles !== null) {
                for (const file of params.ingredientFiles) {
                    ingredientFiles[file.name] = file;
                }
            }
            const { structure, assets, colors } = await createStructureFromCellPack(plugin, packing, params.baseUrl, ingredientFiles).runInContext(ctx);
            await CellPackInfoProvider.attach({ runtime: ctx, assetManager: plugin.managers.asset }, structure, {
                info: { packingsCount: a.data.packings.length, packingIndex: params.packing, colors }
            });

            (cache as any).assets = assets;
            return new PSO.Molecule.Structure(structure, { label: packing.name });
        });
    },
    dispose({ b, cache }) {
        const assets = (cache as any).assets as Asset.Wrapper[];
        if(assets) {
            for (const a of assets) a.dispose();
        }

        if (b) {
            b.data.customPropertyDescriptors.dispose();
            for (const m of b.data.models) {
                m.customProperties.dispose();
            }
        }
    }
});

export { GetAllAssamblyinOne };
type GetAllAssamblyinOne = typeof GetAllAssamblyinOne
const GetAllAssamblyinOne = PluginStateTransform.BuiltIn({
    name: 'get assambly from model',
    display: { name: 'get assambly from model' },
    isDecorator: true,
    from: PSO.Molecule.Model,
    to: PSO.Molecule.Structure,
    params: {
    }
})({
    canAutoUpdate({ newParams }) {
        return true;
    },
    apply({ a, params }) {
        return Task.create('Build Structure', async ctx => {
            // TODO: optimze
            // TODO: think of ways how to fast-track changes to this for animations
            const model = a.data;
            let initial_structure = Structure.ofModel(model);
            const structures: Structure[] = [];
            let structure: Structure = initial_structure;
            // the list of asambly *?
            const symmetry = ModelSymmetry.Provider.get(model);
            if (symmetry){
                if (symmetry.assemblies.length !== 0) {
                    for (const a of symmetry.assemblies) {
                        const s = await StructureSymmetry.buildAssembly(initial_structure, a.id).runInContext(ctx);
                        structures.push(s);
                    }
                    const builder = Structure.Builder({ label: name });
                    let offsetInvariantId = 0;
                    for (const s of structures) {
                        let maxInvariantId = 0;
                        for (const u of s.units) {
                            const invariantId = u.invariantId + offsetInvariantId;
                            if (u.invariantId > maxInvariantId) maxInvariantId = u.invariantId;
                            builder.addUnit(u.kind, u.model, u.conformation.operator, u.elements, Unit.Trait.None, invariantId);
                        }
                        offsetInvariantId += maxInvariantId + 1;
                    }
                    structure = builder.getStructure();
                    for( let i = 0, il = structure.models.length; i < il; ++i) {
                        const { trajectoryInfo } = structure.models[i];
                        trajectoryInfo.size = il;
                        trajectoryInfo.index = i;
                    }
                }
            }
            return new PSO.Molecule.Structure(structure, { label: a.label, description: `${a.description}` });
        });
    },
    dispose({ b }) {
        b?.data.customPropertyDescriptors.dispose();
    }
});

export { GetAllAssamblyinOneStructure };
type GetAllAssamblyinOneStructure = typeof GetAllAssamblyinOneStructure
const GetAllAssamblyinOneStructure = PluginStateTransform.BuiltIn({
    name: 'get assambly from structure',
    display: { name: 'get assambly from structure' },
    isDecorator: true,
    from: PSO.Molecule.Structure,
    to: PSO.Molecule.Structure,
    params(a) {
        return { };
    }
})({
    apply({ a, params }) {
        return Task.create('Build Structure Assemblies', async ctx => {
            // TODO: optimze
            // TODO: think of ways how to fast-track changes to this for animations
            const initial_structure = a.data;
            const structures: Structure[] = [];
            let structure: Structure = initial_structure;
            // the list of asambly *?
            const symmetry = ModelSymmetry.Provider.get(initial_structure.model);
            if (symmetry){
                if (symmetry.assemblies.length !== 0) {
                    for (const a of symmetry.assemblies) {
                        const s = await StructureSymmetry.buildAssembly(initial_structure, a.id!).runInContext(ctx);
                        structures.push(s);
                    }
                    const builder = Structure.Builder({ label: name });
                    let offsetInvariantId = 0;
                    for (const s of structures) {
                        let maxInvariantId = 0;
                        for (const u of s.units) {
                            const invariantId = u.invariantId + offsetInvariantId;
                            if (u.invariantId > maxInvariantId) maxInvariantId = u.invariantId;
                            builder.addUnit(u.kind, u.model, u.conformation.operator, u.elements, Unit.Trait.None, invariantId);
                        }
                        offsetInvariantId += maxInvariantId + 1;
                    }
                    structure = builder.getStructure();
                    for( let i = 0, il = structure.models.length; i < il; ++i) {
                        const { trajectoryInfo } = structure.models[i];
                        trajectoryInfo.size = il;
                        trajectoryInfo.index = i;
                    }
                }
            }
            return new PSO.Molecule.Structure(structure, { label: a.label, description: `${a.description}` });
        });
    }
});