#!/usr/bin/env pwsh
[CmdletBinding()]
param(
	[Parameter(HelpMessage='Path to JSON file; default: read from stdin')]
	[string]$JsonFile = '-',

	[Parameter(HelpMessage='API base URL')]
	[string]$ApiUrl,

	[Parameter(HelpMessage='API key for authentication')]
	[string]$ApiKey,

	[Parameter(HelpMessage='Show help')]
	[switch]$Help
)

function Show-Usage {
	$usage = @"
Usage: Upload-JMESPath.ps1 [-ApiUrl <url>] [-ApiKey <key>] [-JsonFile <file>]

Parameters:
  -ApiUrl <url>        The base URL of the JMESPath Playground API (default: http://localhost:3000 or $env:JMESPATH_PLAYGROUND_API_URL)
  -ApiKey <key>        The API key for authentication (can also be set via JMESPATH_PLAYGROUND_API_KEY)
  -JsonFile <file>     The JSON file to upload (default: stdin if not specified)
  -Help                Show this help message and exit
"@
	Write-Output $usage
}

if ($Help) { Show-Usage; exit 0 }

# Apply environment defaults when parameters are not provided
if (-not $ApiUrl) {
	if ($env:JMESPATH_PLAYGROUND_API_URL) { $ApiUrl = $env:JMESPATH_PLAYGROUND_API_URL } else { $ApiUrl = 'http://localhost:3000' }
}
if (-not $ApiKey) {
	$ApiKey = $env:JMESPATH_PLAYGROUND_API_KEY
}

# Read JSON body from file or stdin
try {
	if ($JsonFile -eq '-' -or [string]::IsNullOrEmpty($JsonFile)) {
		$Body = [Console]::In.ReadToEnd()
	} else {
		if (-not (Test-Path -Path $JsonFile)) {
			Write-Error "JSON file not found: $JsonFile"
			exit 2
		}
		$Body = Get-Content -Raw -Path $JsonFile
	}
} catch {
	Write-Error "Failed to read JSON input: $($_.Exception.Message)"
	exit 2
}

# Prepare headers
$Headers = @{ 'Accept' = 'application/json' }
if (-not [string]::IsNullOrEmpty($ApiKey)) { $Headers['X-API-Key'] = $ApiKey }

# POST to API
$Uri = "$ApiUrl/api/v1/upload"
try {
	$response = Invoke-RestMethod -Uri $Uri -Method Post -Headers $Headers -ContentType 'application/json' -Body $Body -ErrorAction Stop
	if ($null -ne $response) {
		$response | ConvertTo-Json -Depth 10
	} else {
		Write-Output "Upload completed."
	}
} catch {
	Write-Error "Upload failed: $($_.Exception.Message)"
	exit 3
}