import fs from 'node:fs'
import { basename as _basename, extname } from 'node:path'
import ttf2woff2 from 'gulp-ttf2woff2'
import { app } from '../../gulpfile.js'
import fonter from 'gulp-fonter-fix'

export function otfToTtf() {
    return app.gulp
        .src(`${app.path.srcFolder}/fonts/*.otf`, {})
        .pipe(
            fonter({
                formats: ['ttf'],
            })
        )
        .pipe(app.gulp.dest(`${app.path.srcFolder}/fonts/`))
}

export function ttfToWoff() {
    return app.gulp
        .src(`${app.path.srcFolder}/fonts/*.ttf`, {})
        .pipe(
            fonter({
                formats: ['woff'],
            })
        )
        .pipe(app.gulp.dest(`${app.path.build.fonts}`))
        .pipe(app.gulp.src(`${app.path.srcFolder}/fonts/*.ttf`))
        .pipe(ttf2woff2())
        .pipe(app.gulp.dest(`${app.path.build.fonts}`))
        .pipe(app.gulp.src(`${app.path.srcFolder}/fonts/*.{woff,woff2}`))
        .pipe(app.gulp.dest(`${app.path.build.fonts}`))
}

export function fontsStyle() {
    const fontsFile = `${app.path.appFolder}/scss/fonts/fonts.scss`

    fs.readdir(app.path.build.fonts, (_err, fonts) => {
        if (fonts.length) {
            fs.writeFile(fontsFile, '', cb)
            let newFileOnly

            fonts.forEach((font) => {
                const ext = extname(font)
                const fontFileName = _basename(font, ext)
                const basename = fontFileName.toLowerCase()
                const fontName = fontFileName.split('-')[0] ?? basename

                if (newFileOnly !== fontFileName) {
                    let fontWeight
                    let fontStyle

                    switch (true) {
                        case basename.includes('thin'):
                            fontWeight = 100
                            break
                        case basename.includes('extralight'):
                            fontWeight = 200
                            break
                        case basename.includes('light'):
                            fontWeight = 300
                            break
                        case basename.includes('medium'):
                            fontWeight = 500
                            break
                        case basename.includes('semibold'):
                            fontWeight = 600
                            break
                        case basename.includes('bold'):
                            fontWeight = 700
                            break
                        case basename.includes('extrabold'):
                            fontWeight = 800
                            break
                        case basename.includes('heavy'):
                            fontWeight = 800
                            break
                        case basename.includes('black'):
                            fontWeight = 900
                            break
                        default:
                            fontWeight = 400
                    }

                    switch (true) {
                        case basename.includes('normal'):
                            fontStyle = 'normal'
                            break
                        case basename.includes('italic'):
                            fontStyle = 'italic'
                            break
                        case basename.includes('oblique'):
                            fontStyle = 'oblique'
                            break
                        default:
                            fontStyle = 'normal'
                    }

                    fs.appendFile(
                        fontsFile,
                        `@font-face {\n\tfont-family: ${fontName};\n\tfont-display: swap;\n\tsrc: url("../fonts/${fontFileName}.woff2") format("woff2"), url("../fonts/${fontFileName}.woff") format("woff");\n\tfont-weight: ${fontWeight};\n\tfont-style: ${fontStyle};\n}\r\n`,
                        cb
                    )

                    newFileOnly = fontFileName
                }
            })
        } else {
            fs.unlink(fontsFile, cb)
        }
    })
    return app.gulp.src(`${app.path.appFolder}`)
}

function cb() {}