#!/usr/bin/env pwsh

<#
.SYNOPSIS
    Sets up the interactive rebase challenge environment.

.DESCRIPTION
    Creates a Git repository with messy commit history that needs to be
    cleaned up using reset and recommit techniques.
#>

# Remove existing challenge directory if present
if (Test-Path "challenge") {
    Write-Host "Removing existing challenge directory..." -ForegroundColor Yellow
    Remove-Item -Path "challenge" -Recurse -Force
}

# Create challenge directory
Write-Host "Creating challenge environment..." -ForegroundColor Cyan
New-Item -ItemType Directory -Path "challenge" | Out-Null
Set-Location "challenge"

# Initialize git repository
git init | Out-Null
git config user.name "Workshop User" | Out-Null
git config user.email "user@workshop.local" | Out-Null

# Create initial commit
$readme = @"
# User Management System

A simple user management application.
"@

Set-Content -Path "README.md" -Value $readme
git add README.md
git commit -m "Initial commit" | Out-Null

# Create messy commits that should be squashed

# Commit 1: WIP user profile
$userProfile = @"
class UserProfile:
    def __init__(self, name, email):
        self.name = name
        self.email = email
"@

Set-Content -Path "user_profile.py" -Value $userProfile
git add user_profile.py
git commit -m "WIP: user profile" | Out-Null

# Commit 2: Add validation (typo in message)
$userProfileWithValidation = @"
class UserProfile:
    def __init__(self, name, email):
        self.name = name
        self.email = email

    def validate(self):
        if not self.name or not self.email:
            raise ValueError('Name and email are required')
        return True
"@

Set-Content -Path "user_profile.py" -Value $userProfileWithValidation
git add user_profile.py
git commit -m "add validaton" | Out-Null  # Intentional typo

# Commit 3: Fix validation
$userProfileFixed = @"
class UserProfile:
    def __init__(self, name, email):
        self.name = name
        self.email = email

    def validate(self):
        if not self.name or not self.email:
            raise ValueError('Name and email are required')
        if '@' not in self.email:
            raise ValueError('Invalid email format')
        return True
"@

Set-Content -Path "user_profile.py" -Value $userProfileFixed
git add user_profile.py
git commit -m "fix validation bug" | Out-Null

# Commit 4: Add tests (another WIP commit)
$tests = @"
import unittest
from user_profile import UserProfile

class TestUserProfile(unittest.TestCase):
    def test_validate_correct_user_data(self):
        user = UserProfile('John', 'john@example.com')
        self.assertTrue(user.validate())

    def test_reject_missing_name(self):
        user = UserProfile('', 'john@example.com')
        with self.assertRaises(ValueError):
            user.validate()

    def test_reject_invalid_email(self):
        user = UserProfile('John', 'invalid-email')
        with self.assertRaises(ValueError):
            user.validate()

if __name__ == '__main__':
    unittest.main()
"@

Set-Content -Path "test_user_profile.py" -Value $tests
git add test_user_profile.py
git commit -m "WIP tests" | Out-Null

# Return to module directory
Set-Location ..

Write-Host "`n========================================" -ForegroundColor Green
Write-Host "Challenge environment created!" -ForegroundColor Green
Write-Host "========================================" -ForegroundColor Green
Write-Host "`nYou have a repository with messy commit history:" -ForegroundColor Cyan
Write-Host "- WIP commits" -ForegroundColor Yellow
Write-Host "- Typos in commit messages" -ForegroundColor Yellow
Write-Host "- Multiple commits that should be combined" -ForegroundColor Yellow
Write-Host "`nYour task:" -ForegroundColor Yellow
Write-Host "1. Navigate to the challenge directory: cd challenge" -ForegroundColor White
Write-Host "2. View the messy history: git log --oneline" -ForegroundColor White
Write-Host "3. Use 'git reset --soft HEAD~4' to uncommit the last 4 commits" -ForegroundColor White
Write-Host "4. Create a single clean commit with a descriptive message" -ForegroundColor White
Write-Host "   Example: git commit -m 'Add user profile feature with validation'" -ForegroundColor White
Write-Host "`nRun '../verify.ps1' from the challenge directory to check your solution.`n" -ForegroundColor Cyan