require "kemal"
require "crest"
require "json"
require "dotenv"
require "./utils/utils"
require "time"

Dotenv.load

TOKEN = ENV["TOKEN"]
STRAPI_URL = ENV["STRAPI_URL"]

module Indrajith::Dev::Crystal
  VERSION = "0.1.0"

  macro page_renderer(filename, title)
    page_title = {{title}}
    published_at=""
    render "src/views/#{{{filename}}}.ecr", "src/views/layout.ecr"
  end

  macro render_404()
    page_renderer "404", "The VOID"
  end


  get "/" do |context|
    context.response.content_type = "text/html"
    page_renderer "home", "Home"
  end

  get "/about" do |context|
    context.response.content_type = "text/html"
    page_renderer "about", "About "
  end

  get "/timeline" do |context|
    context.response.content_type = "text/html"
    page_renderer "timeline", "Timeline"
  end

  get "/contact" do |context|
    context.response.content_type = "text/html"
    page_renderer "contact", "Contact"
  end

  get "/blog" do |context|
    context.response.content_type = "text/html"
    page_renderer "blog", "Blog"
  end

  get "/posts" do |context|
    begin
      site = Crest::Resource.new("#{STRAPI_URL}")

      response = site.get("/api/posts",
        params: {
          "fields[0]"            => "post_title",
          "fields[1]"            => "slug",
          "pagination[pageSize]" => 3,
        },
        headers: {"Authorization" => "Bearer #{TOKEN}"}
      )

      json_data = JSON.parse(response.body)
      data = json_data["data"].as_a
      puts data.size
      if data.size == 0
        "<li>No Posts Yet</li>"
      else
        html_string = ""
        data.each do |item|
          attributes = item["attributes"]
          # puts attributes["post_title"]
          html_string += "
          <li>
            <p><a href='/post/#{attributes["slug"]}'>#{attributes["post_title"]}</a></p>
          </li>"
        end
        html_string
      end
    rescue ex : Crest::NotFound
      puts ex.response
      render_404
    end
  end

  get "/post/:slug" do |context|
    begin
      slug = context.params.url["slug"]
      site = Crest::Resource.new("#{STRAPI_URL}")

      response = site.get("/api/posts",
        params: {
          "filters[slug][$eq]" => "#{slug}",
        },
        headers: {"Authorization" => "Bearer #{TOKEN}"}
      )

      json_data = JSON.parse(response.body)
      data = json_data["data"].as_a
      post_item = data[0]
      post_attribute = post_item["attributes"]
      content = post_attribute["post_content"]
      published_raw_time = post_attribute["publishedAt"].as_s
      published_time = Time.parse(published_raw_time, "%Y-%m-%dT%H:%M:%S.%3NZ", Time::Location.local)
      published_at = format_date(published_time)
      page_title = post_attribute["post_title"]
      render "src/views/layout.ecr"
    rescue ex
      puts ex
      render_404
    end
  end

  error 404 do |context|
    context.response.content_type = "text/html"
    render_404
  end

  Kemal.run
end