dundee/gdu

package tui

import (
    "github.com/dundee/gdu/v5/pkg/device"
    "github.com/rivo/tview"
)

var (
    barFullRune  = "\u2588"
    barPartRunes = map[int]string{
        0: " ",
        1: "\u258F",
        2: "\u258E",
        3: "\u258D",
        4: "\u258C",
        5: "\u258B",
        6: "\u258A",
        7: "\u2589",
    }
)

func getDeviceUsagePart(item *device.Device, useOld bool) string {
    part := int(float64(item.Size-item.Free) / float64(item.Size) * 100.0)
    if useOld {
        return getUsageGraphOld(part)
    }
    return getUsageGraph(part)
}

func getUsageGraph(part int) string {
    graph := " "
    whole := part / 10
    for i := 0; i < whole; i++ {
        graph += barFullRune
    }
    partWidth := (part % 10) * 8 / 10
    if part < 100 {
        graph += barPartRunes[partWidth]
    }

    for i := 0; i < 10-whole-1; i++ {
        graph += " "
    }

    graph += "\u258F"
    return graph
}

func getUsageGraphOld(part int) string {
    part /= 10
    graph := "["
    for i := 0; i < 10; i++ {
        if part > i {
            graph += "#"
        } else {
            graph += " "
        }
    }
    graph += "]"
    return graph
}

func min(a, b int) int {
    if a < b {
        return a
    }
    return b
}

func modal(p tview.Primitive, width, height int) tview.Primitive {
    return tview.NewFlex().
        AddItem(nil, 0, 1, false).
        AddItem(tview.NewFlex().SetDirection(tview.FlexRow).
            AddItem(nil, 0, 1, false).
            AddItem(p, height, 1, true).
            AddItem(nil, 0, 1, false), width, 1, true).
        AddItem(nil, 0, 1, false)
}