package main

import (
	"encoding/json"
	"fmt"
	"html"
	"net/http"
	"strconv"

	"github.com/gorilla/mux"
)

func index(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))
}
func getAll(w http.ResponseWriter, r *http.Request) {
	args := mux.Vars(r)
	table := args["tableName"]
	patientsList, _ := readDatabase(table)
	json.NewEncoder(w).Encode(patientsList)
}
func update(w http.ResponseWriter, r *http.Request) {
	args := mux.Vars(r)
	tableName := args["tableName"]
	primaryKey := args["primaryKey"]
	primaryKeyName := args["primaryKeyName"]
	fieldToUpdate := args["fieldToUpdate"]
	valueToInsert := args["valueToInsert"]

	rowsAffected :=
		updateRecord(tableName, primaryKey, primaryKeyName, fieldToUpdate, valueToInsert)
	fmt.Fprint(w, rowsAffected)
}

func insert(w http.ResponseWriter, r *http.Request) {
	args := mux.Vars(r)
	// TODO: Dodac walidacje primary key
	tsqlCommand := "INSERT INTO " + args["tableName"] + " VALUES ('" + args["primaryKey"]
	max, _ := strconv.Atoi(args["count"])
	for i := 1; i < max; i++ {
		key := "val" + strconv.Itoa(i)
		tsqlCommand += "', '" + args[key]
	}
	tsqlCommand += "')"
	rowsAffected := insertRecord(tsqlCommand)
	fmt.Fprint(w, rowsAffected)
}
func columnNames(w http.ResponseWriter, r *http.Request) {
	args := mux.Vars(r)
	table := args["tableName"]
	colNames, _ := getColumnNames(table)
	fmt.Fprint(w, colNames)
}
func getIndex(w http.ResponseWriter, r *http.Request) {
	args := mux.Vars(r)
	pk := args["primaryKey"]
	fmt.Fprintf(w, "Tutaj bedzie wynik dla PK = %s", pk)
}