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import { a_o_mime_type_most_common } from "./a_o_mime_type_most_common.js"
class O_folder_file{
    constructor(        s    ){        this._s = s        this.s_folder_name = null        this.s_file_name = null        this.s_dir_separator = null        this.s_windows_drive_letter = null        this.s_file_extension = null        this.s_file_extension_separator = '.'        this.s_folder_name_without_singleanddoubledots = ''        this.o_mime_type_guessed_by_file_extension = null        this.f_update_all()        //official mime/content types        // https://www.iana.org/assignments/media-types/application.csv        // https://www.iana.org/assignments/media-types/media-types.xhtml        // https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types/Common_types
    }    get s(){        return this._s    }    set s(value){        this._s = value        this.f_update_all()    }
    f_update_all(){
        // detect separator         this.s_dir_separator = '/'        var a_s = Array.from(this.s)        var n_count_backslash = a_s.filter(s=>s=='\\').length        var n_count_slash = a_s.filter(s=>s=='/').length         if(n_count_backslash > n_count_slash){            this.s_dir_separator = '\\'        }
        // C:\dir\us\asdf.adfs        // /home/user/code/asdf.adsf
        var a_s_part = this.s.split(this.s_dir_separator)        var b_is_file = true        if(this.s[this.s.length-1] == this.s_dir_separator){            console.warn(`${this.s} is not a locator to a file but only to a folder because it ends with a dir separator (${this.s_dir_separator})`)            b_is_file = false        }        var s_file_name = a_s_part[a_s_part.length-1]        if(s_file_name == ".." || s_file_name == ".."){            console.warn(`${this.s} is not a locator to a file but only to a folder because it ends with one or two dots (${s_file_name})`)            b_is_file = false        }
        if(b_is_file){                            this.s_file_name = a_s_part.pop()            if(this.s_file_name.includes(this.s_file_extension_separator)){                this.s_file_extension = this.s_file_name.split(this.s_file_extension_separator).pop()                                this.o_mime_type_guessed_by_file_extension = a_o_mime_type_most_common.filter(                    o => o.s_file_extension.split(' ').includes("."+this.s_file_extension)                    )[0]                    // console.log(this.o_mime_type_guessed_by_file_extension)                }        }
        if(this.s_dir_separator == '\\'){            if(a_s_part[0].includes(':')){                this.s_windows_drive_letter = a_s_part.shift()            }        }                // /1/a/../b/../c/lol/.. -> /1/c/        // /.././../a/b/c/ -> /../../a/b/c/        var a_s_folder_part = []        // var s = a_s_part.join(this.s_dir_separator)        // s = s.replaceAll(this.s_dir_separator+'.'+this.s_dir_separator, '')        // var a_s_part = s.split(this.s_dir_separator)        for(var s_part of a_s_part){            if(s_part == '.' || s_part == ""){                continue            }            if(s_part == ".."){                if( a_s_folder_part.filter(s=>s != '..').length > 0){                    a_s_folder_part.pop()                    continue                }else{                    a_s_folder_part.push(s_part)                    continue                }
            }                                        a_s_folder_part.push(s_part)
        }        this.s_folder_name_without_singleanddoubledots = a_s_folder_part.join(this.s_dir_separator)
        this.s_folder_name = a_s_part.join(this.s_dir_separator)    }
}
export {O_folder_file}