package hn

import (
	"net/http"
	"time"

	"github.com/flosch/pongo2"
	"github.com/jinzhu/gorm"
	"github.com/labstack/echo"
)

type RequestHandlerSet struct {
	db *gorm.DB
}

func NewRequestHandlerSet(db *gorm.DB) *RequestHandlerSet {
	rhs := new(RequestHandlerSet)
	rhs.db = db
	return rhs
}

func (r *RequestHandlerSet) indexHandler(c echo.Context) error {
	var fpi []HNFrontPage
	r.db.Where("disappeared is not ?", SQLITE_NULL_DATETIME).Order("disappeared desc").Find(&fpi)

	type fprow struct {
		Duration    string
		URL         string
		Title       string
		HighestRank uint
		HNID        uint
		TimeGone    string
	}
	var fprows []fprow

	for _, item := range fpi {
		fprows = append(fprows, fprow{
			Duration:    item.Disappeared.Round(time.Minute).Sub(item.Appeared.Round(time.Minute)).String(),
			URL:         item.URL,
			HNID:        item.HNID,
			Title:       item.Title,
			HighestRank: item.HighestRank,
			TimeGone:    time.Now().Round(time.Minute).Sub(item.Disappeared.Round(time.Minute)).String(),
		})
	}

	type rowtwo struct {
		Duration    string
		URL         string
		Title       string
		HighestRank uint
		HNID        uint
		Rank        uint
	}
	var currentfp []rowtwo

	var cur []HNFrontPage
	r.db.Where("disappeared is ?", SQLITE_NULL_DATETIME).Order("rank asc").Find(&cur)

	for _, item := range cur {
		currentfp = append(currentfp, rowtwo{
			Duration:    time.Now().Round(time.Minute).Sub(item.Appeared.Round(time.Minute)).String(),
			URL:         item.URL,
			HNID:        item.HNID,
			Title:       item.Title,
			HighestRank: item.HighestRank,
			Rank:        item.Rank,
		})
	}

	tc := pongo2.Context{
		"time":    time.Now().UTC().Format(time.RFC3339Nano),
		"exits":   fprows,
		"current": currentfp,
	}
	return c.Render(http.StatusOK, "index.html", tc)
}

func (r *RequestHandlerSet) aboutHandler(c echo.Context) error {
	tc := pongo2.Context{
		"time": time.Now().UTC().Format(time.RFC3339Nano),
	}
	return c.Render(http.StatusOK, "about.html", tc)
}