package web

import (
	"encoding/json"
	"fmt"
	"net/http"
	"time"

	"github.com/rs/zerolog/log"

	"code.chrissexton.org/cws/cabinet/entry"
	"github.com/gorilla/mux"
)

func (web *Web) editEntry(w http.ResponseWriter, r *http.Request) {
	vars := mux.Vars(r)
	slug := vars["slug"]
	dec := json.NewDecoder(r.Body)
	newEntry := entry.New(web.db)
	err := dec.Decode(&newEntry)
	if err != nil {
		w.WriteHeader(500)
		fmt.Fprint(w, err)
		return
	}

	oldEntry, err := entry.GetBySlug(web.db, slug)
	if err != nil {
		w.WriteHeader(500)
		fmt.Fprint(w, err)
		return
	}

	oldEntry.Content = newEntry.Content
	oldEntry.Tags = newEntry.Tags
	oldEntry.Updated = time.Now()

	err = oldEntry.Update()
	if err != nil {
		w.WriteHeader(500)
		fmt.Fprint(w, err)
		return
	}
	resp, err := json.Marshal(oldEntry)
	if err != nil {
		w.WriteHeader(500)
		fmt.Fprint(w, err)
		return
	}

	log.Debug().Interface("oldEntry", oldEntry).Msg("Got a PUT")

	w.Header().Set("content-type", "application/json")
	fmt.Fprint(w, string(resp))
}

func (web *Web) newEntry(w http.ResponseWriter, r *http.Request) {
	dec := json.NewDecoder(r.Body)
	newEntry := entry.New(web.db)
	err := dec.Decode(&newEntry)
	if err != nil {
		w.WriteHeader(500)
		fmt.Fprint(w, err)
		return
	}

	err = newEntry.Create()
	if err != nil {
		w.WriteHeader(500)
		fmt.Fprint(w, err)
		return
	}
	resp, err := json.Marshal(newEntry)
	if err != nil {
		w.WriteHeader(500)
		fmt.Fprint(w, err)
		return
	}
	w.Header().Set("content-type", "application/json")
	fmt.Fprint(w, string(resp))
}

func (web *Web) allEntries(w http.ResponseWriter, r *http.Request) {
	r.ParseForm()
	query := r.Form.Get("query")
	entries, err := entry.Search(web.db, query)
	if err != nil {
		w.WriteHeader(500)
		fmt.Fprint(w, err)
		return
	}

	resp, err := json.Marshal(entries)
	if err != nil {
		w.WriteHeader(500)
		fmt.Fprint(w, err)
		return
	}
	w.Header().Set("content-type", "application/json")
	fmt.Fprint(w, string(resp))
}

func (web *Web) getEntry(w http.ResponseWriter, r *http.Request) {
	vars := mux.Vars(r)
	slug := vars["slug"]

	entry, err := entry.GetBySlug(web.db, slug)
	if err != nil {
		w.WriteHeader(500)
		fmt.Fprint(w, err)
		return
	}

	resp, err := json.Marshal(entry)
	if err != nil {
		w.WriteHeader(500)
		fmt.Fprint(w, err)
		return
	}
	w.Header().Set("content-type", "application/json")
	fmt.Fprint(w, string(resp))
}

func (web *Web) removeEntry(w http.ResponseWriter, r *http.Request) {
	vars := mux.Vars(r)
	slug := vars["slug"]

	err := entry.RemoveBySlug(web.db, slug)
	if err != nil {
		w.WriteHeader(500)
		fmt.Fprint(w, err)
		return
	}
	w.WriteHeader(200)
}