#Requires -Version 5.1
<#
.SYNOPSIS
    Installs superfile (terminal file manager) via winget.

.DESCRIPTION
    Installs superfile via winget (yorukot.superfile).
    superfile is a modern terminal file manager with vim-style keybindings.

    Supported platforms:
      - Windows x64 (AMD64 / Intel 64bit)
      - Windows ARM64

    Prerequisites:
      - winget (Windows Package Manager) — built into Windows 10 1709+

.EXAMPLE
    .\install-superfile.ps1

    # One-liner install from remote (works on Windows 10+):
    powershell -ExecutionPolicy Bypass -c "[Net.ServicePointManager]::SecurityProtocol=[Net.SecurityProtocolType]::Tls12; $t=\"$env:TEMP\install-superfile.ps1\"; iwr -useb 'https://gl.isitsoft.kr/publicproj/install-sh/-/raw/main/install-superfile.ps1' -OutFile $t; & $t"

.NOTES
    If execution policy error occurs:
      Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser
#>

[CmdletBinding()]
param()

Set-StrictMode -Version Latest
$ErrorActionPreference = 'Stop'

# Force TLS 1.2+ for HTTPS downloads (required on Windows 10 / PowerShell 5.1)
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12

# ────────────────────────────────────────────
# Utility functions
# ────────────────────────────────────────────
function Info    { Write-Host "[INFO]  $args" -ForegroundColor Cyan }
function Warn    { Write-Host "[WARN]  $args" -ForegroundColor Yellow }
function Success { Write-Host "[OK]    $args" -ForegroundColor Green }
function ErrExit { Write-Host "[ERROR] $args" -ForegroundColor Red; exit 1 }

# ────────────────────────────────────────────
# Step 1: Install superfile
# ────────────────────────────────────────────
Info "Installing superfile (terminal file manager)..."

$spfCmd = Get-Command spf -ErrorAction SilentlyContinue
if ($spfCmd) {
    $currentVer = & spf --version 2>$null
    if (-not $currentVer) { $currentVer = "unknown" }
    Info "superfile is already installed ($currentVer). Skipping installation."
} else {
    if (-not (Get-Command winget -ErrorAction SilentlyContinue)) {
        ErrExit "winget is required. Install it from the Microsoft Store or https://learn.microsoft.com/en-us/windows/package-manager/winget/"
    }

    winget install --id yorukot.superfile --accept-package-agreements --accept-source-agreements 2>&1 | Out-Null
    Success "superfile installed via winget"
}

# ────────────────────────────────────────────
# Verify spf is available and add to PATH permanently if needed
# ────────────────────────────────────────────
$spfBin = $null

# 1) Try current PATH
$spfCmd = Get-Command spf -ErrorAction SilentlyContinue
if ($spfCmd) {
    $spfBin = $spfCmd.Source
}

# 2) Refresh PATH from registry (winget may have added paths)
if (-not $spfBin) {
    $env:Path = [System.Environment]::GetEnvironmentVariable('Path', 'User') + ';' + [System.Environment]::GetEnvironmentVariable('Path', 'Machine')
    $spfCmd = Get-Command spf -ErrorAction SilentlyContinue
    if ($spfCmd) {
        $spfBin = $spfCmd.Source
    }
}

# 3) Search common locations where winget installs
if (-not $spfBin) {
    $searchDirs = @(
        (Join-Path $env:LOCALAPPDATA 'Microsoft\WinGet\Links'),
        (Join-Path $env:LOCALAPPDATA 'Programs\superfile'),
        'C:\Program Files\superfile',
        'C:\Program Files (x86)\superfile'
    )
    foreach ($dir in $searchDirs) {
        if (Test-Path $dir) {
            $candidate = Join-Path $dir 'spf.exe'
            if (Test-Path $candidate) { $spfBin = $candidate; break }
        }
    }

    # Recurse under WinGet/Packages for spf
    if (-not $spfBin -and (Test-Path (Join-Path $env:LOCALAPPDATA 'Microsoft\WinGet\Packages'))) {
        $found = Get-ChildItem -Path (Join-Path $env:LOCALAPPDATA 'Microsoft\WinGet\Packages') -Recurse -Filter 'spf.exe' -ErrorAction SilentlyContinue | Select-Object -First 1
        if ($found) { $spfBin = $found.FullName }
    }
}

if ($spfBin) {
    # Add spf's directory to PATH for this session
    $spfDir = Split-Path $spfBin
    if ($env:Path -notlike "*$spfDir*") {
        $env:Path = "$spfDir;$env:Path"
        Info "Added $spfDir to PATH for this session"
    }
    Success "superfile is available: $spfBin"

    # Permanently add spf's directory to user PATH if not already there
    $userPath = [System.Environment]::GetEnvironmentVariable('Path', 'User')
    if ($userPath -notlike "*$spfDir*") {
        [System.Environment]::SetEnvironmentVariable('Path', "$spfDir;$userPath", 'User')
        Success "Added $spfDir to user PATH permanently (takes effect on next login)"
    } else {
        Info "$spfDir already in user PATH"
    }
} else {
    Warn "superfile was not found in PATH after installation."
    Warn "Please restart your terminal or add superfile's directory to your PATH manually."
}

# ────────────────────────────────────────────
# Step 2: Post-install notes
# ────────────────────────────────────────────
Info ""
Info "=================================================="
Success "superfile installation complete!"
Info "=================================================="
if ($spfBin) {
    Info ""
    Info "superfile binary: $spfBin"
}
Info ""
Info "IMPORTANT: Close this terminal and open a new one to use superfile (spf)."
Info "PATH changes require a new terminal session to take effect."
Info ""
Info "Getting started:"
Info "  spf              - Start superfile file manager"
Info "  spf --help       - Show help"
Info ""
Info "Note: The command name is 'spf', not 'superfile'."
Info ""
Info "Key bindings (vim-style):"
Info "  h/j/k/l         - Left/Down/Up/Right"
Info "  Enter            - Open directory / file"
Info "  y                - Yank (copy)"
Info "  d                - Delete"
Info "  r                - Rename"
Info "  /                - Search"
Info "  Tab              - Switch panel"