# Copyright (C) 2023 TroubleChute (Wesley Pyburn)
# Licensed under the GNU General Public License v3.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.gnu.org/licenses/gpl-3.0.en.html
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#    
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#    
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
#
# ----------------------------------------
# This script:
# 1. Install Chocolatey
# 2. Install or update Git if not already installed

# ----------------------------------------

Write-Host "---------------------------------------------------------------------------" -ForegroundColor Cyan
Write-Host "Welcome to TroubleChute's Stable Cascade installer!" -ForegroundColor Cyan
Write-Host "Stable Cascade as well as all of its other dependencies and a model should now be installed..." -ForegroundColor Cyan
Write-Host "[Version 2023-02-19]" -ForegroundColor Cyan
Write-Host "`nThis script is provided AS-IS without warranty of any kind. See https://tc.ht/privacy & https://tc.ht/terms."
Write-Host "Consider supporting these install scripts: https://tc.ht/support" -ForegroundColor Green
Write-Host "---------------------------------------------------------------------------`n`n" -ForegroundColor Cyan

Set-Variable ProgressPreference SilentlyContinue # Remove annoying yellow progress bars when doing Invoke-WebRequest for this session

if (-not ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
    Write-Host "This script needs to be run as an administrator.`nProcess can try to continue, but will likely fail. Press Enter to continue..." -ForegroundColor Red
    Read-Host
}

# Allow importing remote functions
iex (irm Import-RemoteFunction.tc.ht)
Import-RemoteFunction("Get-GeneralFuncs.tc.ht")
Set-Variable ProgressPreference SilentlyContinue # Remove annoying yellow progress bars when doing Invoke-WebRequest for this session

Import-FunctionIfNotExists -Command Get-TCHTPath -ScriptUri "Get-TCHTPath.tc.ht"
$TCHT = Get-TCHTPath -Subfolder "StableCascade"

# If user chose to install this program in another path, create a symlink for easy access and management.
$isSymlink = Sync-ProgramFolder -ChosenPath $TCHT -Subfolder "StableCascade"

# Then CD into $TCHT\
Set-Location "$TCHT\"

# 1. Install Chocolatey
Clear-ConsoleScreen
Write-Host "Installing Chocolatey..." -ForegroundColor Cyan
Set-ExecutionPolicy Bypass -Scope Process -Force; [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; iex ((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1'))

# 2. Install or update Git if not already installed
Clear-ConsoleScreen
Write-Host "Installing Git..." -ForegroundColor Cyan
iex (irm install-git.tc.ht)

# Import function to reload without needing to re-open Powershell
iex (irm refreshenv.tc.ht)

# 5. Check if Conda or Python is installed
# Check if Conda is installed
Import-FunctionIfNotExists -Command Get-UseConda -ScriptUri "Get-Python.tc.ht"

# Check if Conda is installed
$condaFound = Get-UseConda -Name "StableCascade" -EnvName "StableCascade" -PythonVersion "3.10.11"

# Get Python command (eg. python, python3) & Check for compatible version
if ($condaFound) {
    conda activate "StableCascade"
    $python = "python"
} else {
    $python = Get-Python -PythonRegex 'Python ([3].[1][0-1].[6-9]|3.10.1[0-1])' -PythonRegexExplanation "Python version is not between 3.10.6 and 3.10.11." -PythonInstallVersion "3.10.11" -ManualInstallGuide "https://github.com/Stability-AI/StableCascade#gradio-app"
    if ($python -eq "miniconda") {
        $python = "python"
        $condaFound = $true
    }
}