package music

import (
	"fmt"
	"regexp"
	"strings"

	"github.com/jmoiron/sqlx"
)

type Link struct {
    Name string `json:"name"`
    URL  string `json:"url"`
}

// GETTERS

func (link Link) GetName() string {
	return link.Name
}

func (link Link) GetURL() string {
	return link.URL
}

// SETTERS

func (link Link) SetName(name string) error {
	// TODO: update DB
	link.Name = name
	return nil
}

func (link Link) SetURL(url string) error {
	// TODO: update DB
	link.URL = url
	return nil
}

// MISC

func (link Link) NormaliseName() string {
	rgx := regexp.MustCompile(`[^a-z0-9]`)
	return strings.ToLower(rgx.ReplaceAllString(link.Name, ""))
}

// DATABASE

func PullReleaseLinks(db *sqlx.DB, releaseID string) ([]Link, error) {
    var links = []Link{}

    link_rows, err := db.Query("SELECT name, url FROM musiclinks WHERE release=$1", releaseID);
    if err != nil {
        return []Link{}, err
    }

    for link_rows.Next() {
        var link = Link{}

        err = link_rows.Scan(
            &link.Name,
            &link.URL,
        )
        if err != nil {
            fmt.Printf("Error while pulling link for release %s: %s\n", releaseID, err)
            continue
        }

        links = append(links, link)
    }

    return links, nil
}