package main

import (
	"bufio"
	"fmt"
	"os"

	"github.com/charmbracelet/bubbles/list"
)

type Ranking struct {
    items []list.Item
    filter string
}

func (a Ranking) Len() int { return len(a.items) }
func (a Ranking) Swap(i, j int) { a.items[i], a.items[j] = a.items[j], a.items[i] }
func (a Ranking) Less(i, j int) bool {
    return len(a.items[i].FilterValue()) < len(a.items[j].FilterValue())
}


func getPaths() []string {
    paths := []string{}

    file, err := os.Open("/home/user/.cache/fzy_paths_d")
    if err != nil {
        fmt.Fprintln(os.Stderr, "Error opening file:", err)
        return paths
    }
    defer file.Close() // Ensure the file is closed when we're done

    // Create a scanner to read the file line by line
    scanner := bufio.NewScanner(file)
    for scanner.Scan() {
        line := scanner.Text()
        if len(line) == 0 {
            continue
        }
        paths = append(paths, line)
    }

    // Check for errors during scanning
    if err := scanner.Err(); err != nil {
        fmt.Fprintln(os.Stderr, "Error reading file:", err)
    }
    return paths
}

func getListItems() []list.Item {
    items := []list.Item{}
    paths := getPaths()
    // TODO: sort initial list based on most often used
    for _, path := range paths {
        items = append(items, item{path})
    }
    return items
}