package main

import (
	"encoding/json"
	"fmt"
	"github.com/gorilla/mux"
	"io/ioutil"
	"log"
	"net/http"
)

func newTerm(w http.ResponseWriter, req *http.Request) {
	body, err := ioutil.ReadAll(req.Body)
	if err != nil {
		panic(err)
	}
	log.Println(string(body))
	var term term_struct
	err = json.Unmarshal(body, &term)
	if err != nil {
		panic(err)
	}
	for i := 0; i < len(term.Months); i++ {
		daysIn(term.Months[i], term.Year)
	}
}

func addRow(data string) {
	tx, err := db.Begin()
	if err != nil {
		log.Fatal(err)
	}
	defer tx.Rollback()
	stmt, err := tx.Prepare("INSERT INTO calendar (date, status, contractNo) VALUES ( $1, 'available', '');")
	if err != nil {
		log.Fatal(err)
	}
	defer stmt.Close() // danger!
	for i := 0; i < 1; i++ {
		_, err = stmt.Exec(data)
		if err != nil {
			log.Fatal(err)
		}
	}
	err = tx.Commit()
	if err != nil {
		log.Fatal(err)
	}
}

func getTerms(w http.ResponseWriter, r *http.Request) {
	enableCors(&w)

	terms := []Term{}

	rows, err := db.Query("SELECT * FROM calendar;")

	if err != nil {
		return
	}

	defer rows.Close()
	for rows.Next() {
		term := Term{}
		err = rows.Scan(
			&term.Id,
			&term.Date,
			&term.Status,
			&term.Contractno,
			)
		if err != nil {
			return
		}
		terms = append(terms, term)
	}
	fmt.Println(terms)
	out, err := json.Marshal(terms)
	if err != nil {
		http.Error(w, err.Error(), 500)
		return
	}

	fmt.Fprint(w, string(out))
}

func getTerm(w http.ResponseWriter, r *http.Request) {
	enableCors(&w)
	vars := mux.Vars(r)

	terms := []Term{}
	stmt, err := db.Prepare("SELECT * FROM calendar WHERE EXTRACT(MONTH FROM date) = $1 AND EXTRACT(YEAR FROM date) = $2 ORDER BY date ASC;")
	if err != nil {
		log.Fatal(err)
	}
	defer stmt.Close()
	rows, err := stmt.Query(vars["month"], vars["year"])
	if err != nil {
		log.Fatal(err)
	}
	defer rows.Close()
	for rows.Next() {
		term := Term{}
		err = rows.Scan(
			&term.Id,
			&term.Date,
			&term.Status,
			&term.Contractno,
		)
		if err != nil {
			return
		}
		terms = append(terms, term)
	}
	if err = rows.Err(); err != nil {
		log.Fatal(err)
	}
	out, err := json.Marshal(terms)
	if err != nil {
		http.Error(w, err.Error(), 500)
		return
	}

	fmt.Fprint(w, string(out))
}

func postTest(w http.ResponseWriter, req *http.Request) {
	w.Header().Set("Access-Control-Allow-Origin", "*")

	w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
	body, err := ioutil.ReadAll(req.Body)
	if err != nil {
		panic(err)
	}
	fmt.Println("postTest")
	log.Println(string(body));
}

func deleteTest(w http.ResponseWriter, req *http.Request) {
	w.Header().Set("Access-Control-Allow-Origin", "*")
	w.Header().Set("Access-Control-Allow-Methods", "*")
	w.Header().Set("Access-Control-Allow-Headers", "content-Type")

	//body, err := ioutil.ReadAll(req.Body)
	//if err != nil {
	//	panic(err)
	//}
	fmt.Println("deleteTest");
	//log.Println(string(body));
}