package logic

import (
	"database/sql"
	"fmt"
	"io"
	"os"
	"os/exec"
	"sevenkeys/database"
	"strings"
)

// The SearchOptions type is a map of `string`s (which can be searched using fzf)
// to `int`s (which represent a primary key in the CardPrintings table)
type SearchOptions map[string]int

func GetAllSearchOptions(db *sql.DB) (SearchOptions, error) {
	var searchOptions SearchOptions = make(map[string]int)

	cardPrintings, err := database.GetAllCardPrintings(db)
	if err != nil {
		return searchOptions, err
	}

	for _, printing := range cardPrintings {
		searchString := fmt.Sprintf("%s (%s %s) [%s]", printing.Name, printing.SetCode, printing.CollectorNumber, printing.Language)

		if printing.IsFoil {
			searchString += " FOIL"
		}

		if printing.IsPromo {
			searchString += " PROMO"
		}

		searchOptions[searchString] = printing.Id
	}

	return searchOptions, err
}

func Search(searchOptions SearchOptions) (int, string, error) {
	cmd := exec.Command("fzf")
	cmd.Stderr = os.Stderr

	fzfStdin, err := cmd.StdinPipe()
	if err != nil {
		return -1, "", err
	}

	go func() {
		defer fzfStdin.Close()
		for searchString, _ := range searchOptions {
			io.WriteString(fzfStdin, searchString+"\n")
		}
	}()

	fzfOutput, err := cmd.Output()
	if err != nil {
		return -1, "", err
	}

	key := strings.TrimSuffix(string(fzfOutput), "\n")

	return searchOptions[key], key, nil
}