#!/usr/bin/env node
/**
 * @file
 * Script to add data for a new icon to the simple-icons dataset.
 */

/**
 * @typedef {import("../sdk.js").IconData} IconData
 */
import process from 'node:process';
import {ExitPromptError} from '@inquirer/core';
import {checkbox, confirm, input} from '@inquirer/prompts';
import chalk from 'chalk';
import {search} from 'fast-fuzzy';
import getRelativeLuminance from 'get-relative-luminance';
import autocomplete from 'inquirer-autocomplete-standalone';
import {
  collator,
  getIconsDataString,
  normalizeColor,
  titleToSlug,
  urlRegex,
} from '../sdk.mjs';
import {getJsonSchemaData, getSpdxLicenseIds, writeIconsData} from './utils.js';

/** @type {{icons: import('../sdk.js').IconData[]}} */
const iconsData = JSON.parse(await getIconsDataString());
const jsonSchema = await getJsonSchemaData();

const HEX_REGEX = /^#?[a-f\d]{3,8}$/i;

const aliasTypes = ['aka', 'old'].map((key) => ({
  name: `${key} (${jsonSchema.definitions.brand.properties.aliases.properties[key].description})`,
  value: key,
}));

const spdxLicenseIds = await getSpdxLicenseIds();
const licenseTypes = spdxLicenseIds.map((id) => ({name: id, value: id}));

/**
 * Whether an input is a valid URL.
 * @param {string} input URL input.
 * @returns {Promise<boolean|string>} Whether the input is a valid URL.
 */
const isValidURL = async (input) => {
  const regex = await urlRegex();
  return regex.test(input) || 'Must be a valid and secure (https://) URL.';
};

/**
 * Whether an input is a valid hex color.
 * @param {string} input Hex color.
 * @returns {boolean|string} Whether the input is a valid hex color.
 */
const isValidHexColor = (input) =>
  HEX_REGEX.test(input) || 'Must be a valid hex code.';

/**
 * Whether an icon is not already in the dataset.
 * @param {string} input New icon input.
 * @returns {boolean} Whether the icon is new.
 */
const isNewIcon = (input) =>
  !iconsData.icons.some(
    (icon) =>
      icon.title === input || titleToSlug(icon.title) === titleToSlug(input),
  );

/**
 * Compute a preview of a color to use in prompt background.
 * @param {string} input Color input.
 * @returns {string} Preview of the color.
 */
const previewHexColor = (input) => {
  const color = normalizeColor(input);
  const luminance = HEX_REGEX.test(input)
    ? getRelativeLuminance.default(`#${color}`)
    : -1;
  if (luminance === -1) return input.toUpperCase();
  return chalk.bgHex(`#${color}`).hex(luminance < 0.4 ? '#fff' : '#000')(
    input.toUpperCase(),
  );
};

try {
  const answers = {
    title: await input({
      message: 'What is the title of this icon?',
      validate: (input) =>
        input.trim().length > 0
          ? isNewIcon(input) || 'This icon title or slug already exists.'
          : 'This field is required.',
    }),
    hex: normalizeColor(
      await input({
        message: 'What is the brand color of this icon?',
        validate: isValidHexColor,
        transformer: previewHexColor,
      }),
    ),
    source: await input({
      message: 'What is the source URL of the icon?',
      validate: isValidURL,
    }),
    guidelines: (await confirm({
      message: 'Does this icon have brand guidelines?',
    }))
      ? await input({
          message: 'What is the URL for the brand guidelines?',
          validate: isValidURL,
        })
      : undefined,
    license: (await confirm({
      message: 'Does this icon have a license?',
    }))
      ? {
          type: await autocomplete({
            message: "What is the icon's license?",
            async source(input) {
              input = (input || '').trim();
              return input
                ? search(input, licenseTypes, {keySelector: (x) => x.value})
                : licenseTypes;
            },
          }),
          url:
            (await input({
              message: `What is the URL for the license? (optional)`,
              validate: (input) => input.length === 0 || isValidURL(input),
            })) || undefined,
        }
      : undefined,
    aliases: (await confirm({
      message: 'Does this icon have brand aliases?',
      default: false,
    }))
      ? await checkbox({
          message: 'What types of aliases do you want to add?',
          choices: aliasTypes,
        }).then(async (aliases) => {
          const result = {};
          for (const alias of aliases) {
            // @ts-ignore
            // eslint-disable-next-line no-await-in-loop
            result[alias] = await input({
              message: `What ${alias} aliases would you like to add? (separate with commas)`,
            }).then((aliases) =>
              aliases.split(',').map((alias) => alias.trim()),
            );
          }

          return result;
        })
      : undefined,
  };

  process.stdout.write(
    'About to write the following to simple-icons.json:\n' +
      JSON.stringify(answers, null, 4) +
      '\n',
  );

  if (
    await confirm({
      message: 'Is this OK?',
    })
  ) {
    iconsData.icons.push(answers);
    iconsData.icons.sort((a, b) => collator.compare(a.title, b.title));
    await writeIconsData(iconsData);
    process.stdout.write(chalk.green('\nData written successfully.\n'));
  } else {
    process.stdout.write(chalk.red('\nAborted.\n'));
    process.exit(1);
  }
} catch (error) {
  if (error instanceof ExitPromptError) {
    process.stdout.write(chalk.red('\nAborted.\n'));
    process.exit(1);
  }

  throw error;
}