/*
 * Copyright (C) 2019-2020  Yomichan Authors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */


function _profileConditionTestDomain(urlDomain, domain) {
    return (
        urlDomain.endsWith(domain) &&
        (
            domain.length === urlDomain.length ||
            urlDomain[urlDomain.length - domain.length - 1] === '.'
        )
    );
}

function _profileConditionTestDomainList(url, domainList) {
    const urlDomain = new URL(url).hostname.toLowerCase();
    for (const domain of domainList) {
        if (_profileConditionTestDomain(urlDomain, domain)) {
            return true;
        }
    }
    return false;
}

const _profileModifierKeys = [
    {optionValue: 'alt',   name: 'Alt'},
    {optionValue: 'ctrl',  name: 'Ctrl'},
    {optionValue: 'shift', name: 'Shift'}
];

if (!hasOwn(window, 'netscape')) {
    _profileModifierKeys.push({optionValue: 'meta',  name: 'Meta'});
}

const _profileModifierValueToName = new Map(
    _profileModifierKeys.map(({optionValue, name}) => [optionValue, name])
);

const _profileModifierNameToValue = new Map(
    _profileModifierKeys.map(({optionValue, name}) => [name, optionValue])
);

const profileConditionsDescriptor = {
    popupLevel: {
        name: 'Popup Level',
        description: 'Use profile depending on the level of the popup.',
        placeholder: 'Number',
        type: 'number',
        step: 1,
        defaultValue: 0,
        defaultOperator: 'equal',
        transform: (optionValue) => parseInt(optionValue, 10),
        transformReverse: (transformedOptionValue) => `${transformedOptionValue}`,
        validateTransformed: (transformedOptionValue) => Number.isFinite(transformedOptionValue),
        operators: {
            equal: {
                name: '=',
                test: ({depth}, optionValue) => (depth === optionValue)
            },
            notEqual: {
                name: '\u2260',
                test: ({depth}, optionValue) => (depth !== optionValue)
            },
            lessThan: {
                name: '<',
                test: ({depth}, optionValue) => (depth < optionValue)
            },
            greaterThan: {
                name: '>',
                test: ({depth}, optionValue) => (depth > optionValue)
            },
            lessThanOrEqual: {
                name: '\u2264',
                test: ({depth}, optionValue) => (depth <= optionValue)
            },
            greaterThanOrEqual: {
                name: '\u2265',
                test: ({depth}, optionValue) => (depth >= optionValue)
            }
        }
    },
    url: {
        name: 'URL',
        description: 'Use profile depending on the URL of the current website.',
        defaultOperator: 'matchDomain',
        operators: {
            matchDomain: {
                name: 'Matches Domain',
                placeholder: 'Comma separated list of domains',
                defaultValue: 'example.com',
                transformCache: {},
                transform: (optionValue) => optionValue.split(/[,;\s]+/).map((v) => v.trim().toLowerCase()).filter((v) => v.length > 0),
                transformReverse: (transformedOptionValue) => transformedOptionValue.join(', '),
                validateTransformed: (transformedOptionValue) => (transformedOptionValue.length > 0),
                test: ({url}, transformedOptionValue) => _profileConditionTestDomainList(url, transformedOptionValue)
            },
            matchRegExp: {
                name: 'Matches RegExp',
                placeholder: 'Regular expression',
                defaultValue: 'example\\.com',
                transformCache: {},
                transform: (optionValue) => new RegExp(optionValue, 'i'),
                transformReverse: (transformedOptionValue) => transformedOptionValue.source,
                test: ({url}, transformedOptionValue) => (transformedOptionValue !== null && transformedOptionValue.test(url))
            }
        }
    },
    modifierKeys: {
        name: 'Modifier Keys',
        description: 'Use profile depending on the active modifier keys.',
        values: _profileModifierKeys,
        defaultOperator: 'are',
        operators: {
            are: {
                name: 'are',
                placeholder: 'Press one or more modifier keys here',
                defaultValue: [],
                type: 'keyMulti',
                transformInput: (optionValue) => optionValue
                    .split(' + ')
                    .filter((v) => v.length > 0)
                    .map((v) => _profileModifierNameToValue.get(v)),
                transformReverse: (transformedOptionValue) => transformedOptionValue
                    .map((v) => _profileModifierValueToName.get(v))
                    .join(' + '),
                test: ({modifierKeys}, optionValue) => areSetsEqual(new Set(modifierKeys), new Set(optionValue))
            },
            areNot: {
                name: 'are not',
                placeholder: 'Press one or more modifier keys here',
                defaultValue: [],
                type: 'keyMulti',
                transformInput: (optionValue) => optionValue
                    .split(' + ')
                    .filter((v) => v.length > 0)
                    .map((v) => _profileModifierNameToValue.get(v)),
                transformReverse: (transformedOptionValue) => transformedOptionValue
                    .map((v) => _profileModifierValueToName.get(v))
                    .join(' + '),
                test: ({modifierKeys}, optionValue) => !areSetsEqual(new Set(modifierKeys), new Set(optionValue))
            },
            include: {
                name: 'include',
                type: 'select',
                defaultValue: 'alt',
                test: ({modifierKeys}, optionValue) => modifierKeys.includes(optionValue)
            },
            notInclude: {
                name: 'don\'t include',
                type: 'select',
                defaultValue: 'alt',
                test: ({modifierKeys}, optionValue) => !modifierKeys.includes(optionValue)
            }
        }
    }
};