require "pressa/plugin"
require "pressa/utils/file_writer"
require "pressa/views/layout"
require "pressa/views/projects_view"
require "pressa/views/project_view"
require "pressa/projects/models"

module Pressa
  module Projects
    class HTMLPlugin < Pressa::Plugin
      attr_reader :scripts, :styles

      def initialize(projects: [], scripts: [], styles: [])
        @projects = projects
        @scripts = scripts
        @styles = styles
      end

      def setup(site:, source_path:)
      end

      def render(site:, target_path:)
        write_projects_index(site:, target_path:)

        @projects.each do |project|
          write_project_page(project:, site:, target_path:)
        end
      end

      private

      def write_projects_index(site:, target_path:)
        content_view = Views::ProjectsView.new(projects: @projects, site:)

        html = render_layout(
          site:,
          page_subtitle: "Projects",
          canonical_url: site.url_for("/projects/"),
          content: content_view
        )

        file_path = File.join(target_path, "projects", "index.html")
        Utils::FileWriter.write(path: file_path, content: html)
      end

      def write_project_page(project:, site:, target_path:)
        content_view = Views::ProjectView.new(project:, site:)

        html = render_layout(
          site:,
          page_subtitle: project.title,
          canonical_url: site.url_for(project.path),
          content: content_view,
          page_scripts: @scripts,
          page_styles: @styles,
          page_description: project.description
        )

        file_path = File.join(target_path, "projects", project.name, "index.html")
        Utils::FileWriter.write(path: file_path, content: html)
      end

      def render_layout(
        site:,
        page_subtitle:,
        canonical_url:,
        content:,
        page_scripts: [],
        page_styles: [],
        page_description: nil
      )
        layout = Views::Layout.new(
          site:,
          page_subtitle:,
          canonical_url:,
          page_scripts:,
          page_styles:,
          page_description:,
          content:
        )

        layout.call
      end
    end

    class GeminiPlugin < Pressa::Plugin
      def initialize(projects: [])
        @projects = projects
      end

      def setup(site:, source_path:)
      end

      def render(site:, target_path:)
        write_projects_index(site:, target_path:)

        @projects.each do |project|
          write_project_page(project:, site:, target_path:)
        end
      end

      private

      def write_projects_index(site:, target_path:)
        rows = ["# Projects", ""]
        @projects.each do |project|
          rows << "## #{project.title}"
          rows << project.description
          rows << "=> #{project.url}"
          rows << ""
        end
        rows << "=> / Home"
        rows << "=> #{site.url_for("/projects/")} Read on the web"
        rows << ""

        file_path = File.join(target_path, "projects", "index.gmi")
        Utils::FileWriter.write(path: file_path, content: rows.join("\n"))
      end

      def write_project_page(project:, site:, target_path:)
        rows = [
          "# #{project.title}",
          "",
          project.description,
          "",
          "=> #{project.url}",
          "=> /projects/ Back to projects",
          ""
        ]

        file_path = File.join(target_path, "projects", project.name, "index.gmi")
        Utils::FileWriter.write(path: file_path, content: rows.join("\n"))
      end
    end

    Plugin = HTMLPlugin
  end
end