package fzf

import (

"math"
"os"
"time"

"github.com/junegunn/fzf/src/util"

)

const (

// Core
coordinatorDelayMax  time.Duration = 100 * time.Millisecond
coordinatorDelayStep time.Duration = 10 * time.Millisecond

// Reader
readerBufferSize       = 64 * 1024
readerPollIntervalMin  = 10 * time.Millisecond
readerPollIntervalStep = 5 * time.Millisecond
readerPollIntervalMax  = 50 * time.Millisecond

// Terminal
initialDelay      = 20 * time.Millisecond
initialDelayTac   = 100 * time.Millisecond
spinnerDuration   = 100 * time.Millisecond
previewCancelWait = 500 * time.Millisecond
previewChunkDelay = 100 * time.Millisecond
previewDelayed    = 500 * time.Millisecond
maxPatternLength  = 300
maxMulti          = math.MaxInt32

// Matcher
numPartitionsMultiplier = 8
maxPartitions           = 32
progressMinDuration     = 200 * time.Millisecond

// Capacity of each chunk
chunkSize int = 100

// Pre-allocated memory slices to minimize GC
slab16Size int = 100 * 1024 // 200KB * 32 = 12.8MB
slab32Size int = 2048       // 8KB * 32 = 256KB

// Do not cache results of low selectivity queries
queryCacheMax int = chunkSize / 5

// Not to cache mergers with large lists
mergerCacheMax int = 100000

// History
defaultHistoryMax int = 1000

// Jump labels
defaultJumpLabels string = "asdfghjklqwertyuiopzxcvbnm1234567890ASDFGHJKLQWERTYUIOPZXCVBNM`~;:,<.>/?'\"!@#$%^&*()[{]}-_=+"

)

var defaultCommand string

func init() {

if !util.IsWindows() {
        defaultCommand = `set -o pipefail; command find -L . -mindepth 1 \( -path '*/\.*' -o -fstype 'sysfs' -o -fstype 'devfs' -o -fstype 'devtmpfs' -o -fstype 'proc' \) -prune -o -type f -print -o -type l -print 2> /dev/null | cut -b3-`
} else if os.Getenv("TERM") == "cygwin" {
        defaultCommand = `sh -c "command find -L . -mindepth 1 -path '*/\.*' -prune -o -type f -print -o -type l -print 2> /dev/null | cut -b3-"`
}

}

// fzf events const (

EvtReadNew util.EventType = iota
EvtReadFin
EvtSearchNew
EvtSearchProgress
EvtSearchFin
EvtHeader
EvtReady
EvtQuit

)

const (

exitCancel    = -1
exitOk        = 0
exitNoMatch   = 1
exitError     = 2
exitInterrupt = 130

)