class Hastighedstest < Sinatra::Base

    # Returns the tags that the user can configure
    #
    # @param template_id [Integer] The database template ID
    # @return an Array of tags
    def get_configurable_tags(template_id)
        #speedtest = Speedtest.new($config)
        #tags = speedtest.get_template_tags(template_id)
        tags = get_template_tags(template_id)
        # We do not want to configure default tags
        default_tags = %w(testcpe testbb pairlocal pairremote netlocal netremote)
        default_tags.each { |t| tags.delete(t) }

        tags
    end

    # Extracts all tags from a Mustache template
    #
    # @param id [Integer] the template ID from the database
    # @return The tags from both the configure and deconfigure templates
    def get_template_tags(id)
        config_text = Templates.where(:id => id).first.contents
        if config_text
            config = Mustache::Template.new(Templates.where(:id => id).first.contents).tags
        else
            config = []
        end
        deconfig_text = Templates.where(:id => id).first.contents_deconfigure
        if deconfig_text
            deconfig = Mustache::Template.new(Templates.where(:id => id).first.contents_deconfigure).tags
        else
            deconfig = []
        end
        config | deconfig
    end

    # Updates the tags in the database
    #
    # @param id [Integer] the template db ID
    # @param fields [Hash] the new value of the fields column
    def store_template_tags(id, fields)
        ds = Templates.where(:id => id)
        if ds.count == 1
            ds.update(:fields => fields.to_json)
        end
    end


    # Converts the database tags in to HTML elements
    #
    # @param fields [JSON] The fields in JSON format
    # @return an HTML table
    def tag_to_elements(fields)
        tags = JSON.parse(fields)
        #output = "<ul>\n"

        output = "<table class=\"smalltable\">\n"
        tags.each do |k,v|
            if v.class == Hash
                output += "  <tr><td>#{k} (#{v["name"]}) - #{v["value"]}</td></tr>"
            else
                output += "  <tr><td><b>#{k}</b></td><td>#{v}</td></tr>"
            end
            #output += "  <li>#{k}: #{v}</li>\n"
        end
        #output += "</u>\n"
        output += "</table>\n"
        output
    end


    # Splits key value paired tags and outputs html
    #
    # @param string [String] the key-value pair seperated with `:`
    # @return HTML string
    def tagsplit(string)
        output = ""
        arr = string.split(/,/)
        arr.each do |pair|
            (key, value) = pair.split(/:/)
            output += "<b>#{key}</b><br />#{value}<br />\n"
        end
        output
    end

    # Converts the template tags in to HTML form elements
    #
    # @param name [String] input tag name
    # @param value [String] input tag value (or nil)
    # @param klass [String] the validator css/js class (optional)
    # @param prefix [String] Prefix the input name with this (optional)
    # @return Generated HTML
    def tag_to_form(name, value=nil, klass=nil, prefix="")
        if name =~ /__/
            tname = name.gsub(/__/, '.')
        else
            tname = name
        end
        output = "<input type=\"text\" name=\"#{prefix}#{tname}\" "
        if klass
            output += "class=\"required #{klass}\" "
        else
            output += "class=\"required\" "
        end
        if value
            output += "value=\"#{value}\""
        end
        output += "/>"
        output
    end


end