package main

import (
	"crypto/rand"
	"encoding/json"
	"fmt"
	"io"
	"net/http"
	"time"

	"humungus.tedunangst.com/r/webs/junk"
)

type NotResponseWriter struct {
	auth   string
	header http.Header
	status int
}

func (w *NotResponseWriter) Header() http.Header {
	return w.header
}

func (w *NotResponseWriter) Write(b []byte) (int, error) {
	dlog.Println("notresponsewriter: oauth code:", string(b))
	w.auth = string(b)
	return 0, nil
}

func (w *NotResponseWriter) WriteHeader(statusCode int) {
	w.status = statusCode
}

func snowflake() uint64 {
	ts := time.Now()
	return uint64(uint64(ts.UnixNano()/int64(time.Millisecond))<<16 | uint64(time.Now().Nanosecond()&0xffff))
}

func badjunk(rw http.ResponseWriter, j junk.Junk, path string) {
	elog.Printf("%s: bad junk: %s", path, j.ToString())
	http.Error(rw, fmt.Sprintf("%s: bad junk", path), http.StatusBadRequest)
}

func goodjunk(rw http.ResponseWriter, j junk.Junk) {
	rw.Header().Set("Content-Type", "application/json; charset=utf-8")
	rw.WriteHeader(http.StatusOK)
	rw.Write(j.ToBytes())
}

func tokengen() string {
	b := make([]byte, 32)
	rand.Read(b)
	return fmt.Sprintf("%x", b)
}

func listjunk(w io.Writer, j []junk.Junk) error {
	e := json.NewEncoder(w)
	e.SetEscapeHTML(false)
	e.SetIndent("", "  ")
	return e.Encode(j)
}

func honktomasto(h *Honk) junk.Junk {
	j := junk.Junk{}

	j["id"] = fmt.Sprintf("%d", h.ID)
	j["created_at"] = h.Date.Format("2006-01-02T15:04:05.000Z07:00")
	j["sensitive"] = false
	j["spoiler_text"] = ""
	j["visibility"] = "public"
	j["language"] = "en"
	j["uri"] = h.URL
	j["url"] = h.URL
	j["replies_count"] = len(h.Replies)
	j["reblogs_count"] = 0
	j["favourites_count"] = 0
	j["reblogged"] = false
	j["favourited"] = false
	j["muted"] = false
	j["bookmarked"] = false
	j["content"] = h.HTML
	j["account"] = junk.Junk{
		"id":              "2019",
		"username":        h.Username,
		"acct":            h.Handle,
		"display_name":    h.Username,
		"avatar":          "https://h.icyphox.sh/a?a=foo",
		"avatar_static":   "https://h.icyphox.sh/a?a=foo",
		"header":          "https://h.icyphox.sh/meme/banner.jpg",
		"header_static":   "https://h.icyphox.sh/meme/banner.jpg",
		"note":            "foo bar baz",
		"url":             h.Honker,
		"emojis":          []junk.Junk{},
		"fields":          []junk.Junk{},
		"bot":             false,
		"last_status_at":  "",
		"discoverable":    false,
		"source":          nil,
		"created_at":      "",
		"statuses_count":  0,
		"indexable":       false,
		"group":           false,
		"locked":          false,
		"followers_count": 0,
		"following_count": 0,
	}

	j["card"] = nil
	j["reblog"] = nil
	j["media_attachments"] = []junk.Junk{}
	j["tags"] = []junk.Junk{}
	j["emojis"] = []junk.Junk{}
	j["edited_at"] = nil
	j["poll"] = nil
	j["mentions"] = []junk.Junk{}
	j["in_reply_to_id"] = nil
	j["in_reply_to_account_id"] = nil

	if h.Replies != nil {
		for _, r := range h.Replies {
			j["mentions"] = append(j["mentions"].([]junk.Junk), junk.Junk{
				"id":       r.ID,
				"url":      r.URL,
				"username": r.Username,
				"acct":     r.Handle,
			})
			j["in_reply_to_id"] = r.ID
			j["in_reply_to_account_id"] = nil
		}
	}

	return j
}