# ColaFlow Sprint 1 API Validation Script
# Backend Support for Frontend Team
# Date: 2025-11-04

$baseUrl = "http://localhost:5167"
$results = @()

Write-Host "========================================" -ForegroundColor Cyan
Write-Host "ColaFlow Sprint 1 API Validation" -ForegroundColor Cyan
Write-Host "========================================`n" -ForegroundColor Cyan

# Helper function to test endpoint
function Test-Endpoint {
    param(
        [string]$Method,
        [string]$Endpoint,
        [hashtable]$Headers = @{},
        [string]$Body = $null,
        [string]$Description
    )

    Write-Host "Testing: $Description" -ForegroundColor Yellow
    Write-Host "  $Method $Endpoint" -ForegroundColor Gray

    try {
        $params = @{
            Uri = "$baseUrl$Endpoint"
            Method = $Method
            Headers = $Headers
            ContentType = "application/json"
            TimeoutSec = 10
        }

        if ($Body) {
            $params.Body = $Body
        }

        $response = Invoke-WebRequest @params -ErrorAction Stop

        $result = @{
            Description = $Description
            Method = $Method
            Endpoint = $Endpoint
            StatusCode = $response.StatusCode
            Status = "PASS"
            ResponseTime = $response.Headers['X-Response-Time']
            Error = $null
        }

        Write-Host "  Status: $($response.StatusCode) - PASS" -ForegroundColor Green
        Write-Host ""

        return $result
    }
    catch {
        $statusCode = if ($_.Exception.Response) { $_.Exception.Response.StatusCode.Value__ } else { "N/A" }
        $errorMessage = $_.Exception.Message

        $result = @{
            Description = $Description
            Method = $Method
            Endpoint = $Endpoint
            StatusCode = $statusCode
            Status = "FAIL"
            ResponseTime = $null
            Error = $errorMessage
        }

        Write-Host "  Status: $statusCode - FAIL" -ForegroundColor Red
        Write-Host "  Error: $errorMessage" -ForegroundColor Red
        Write-Host ""

        return $result
    }
}

# Test 1: Register a new tenant (company signup)
Write-Host "`n--- Phase 1: Authentication Setup ---`n" -ForegroundColor Cyan

$tenantSlug = "sprint1test"
$registerBody = @{
    email = "admin@sprint1test.com"
    password = "TestPassword123!"
    fullName = "Sprint 1 Admin"
    companyName = "Sprint 1 Test Company"
    slug = $tenantSlug
} | ConvertTo-Json

Write-Host "Registering new tenant..." -ForegroundColor Yellow
try {
    $registerResponse = Invoke-RestMethod -Uri "$baseUrl/api/tenants/register" -Method POST -Body $registerBody -ContentType "application/json" -ErrorAction Stop
    Write-Host "Tenant registered successfully!" -ForegroundColor Green
    $results += @{
        Description = "Tenant Registration"
        Method = "POST"
        Endpoint = "/api/tenants/register"
        StatusCode = 200
        Status = "PASS"
        ResponseTime = $null
        Error = $null
    }
    Start-Sleep -Seconds 2
}
catch {
    Write-Host "Tenant registration failed (may already exist): $_" -ForegroundColor Yellow
    $results += @{
        Description = "Tenant Registration"
        Method = "POST"
        Endpoint = "/api/tenants/register"
        StatusCode = "Error"
        Status = "SKIP"
        ResponseTime = $null
        Error = "Tenant may already exist"
    }
}

# Test 2: Login to get JWT token
$loginBody = @{
    tenantSlug = $tenantSlug
    email = "admin@sprint1test.com"
    password = "TestPassword123!"
} | ConvertTo-Json

Write-Host "Attempting login..." -ForegroundColor Yellow
try {
    $loginResponse = Invoke-RestMethod -Uri "$baseUrl/api/auth/login" -Method POST -Body $loginBody -ContentType "application/json" -ErrorAction Stop
    $token = $loginResponse.accessToken
    $tenantId = $loginResponse.tenantId
    $userId = $loginResponse.userId

    if ($token) {
        Write-Host "Login successful! Token obtained." -ForegroundColor Green
        Write-Host "  TenantId: $tenantId" -ForegroundColor Gray
        Write-Host "  UserId: $userId" -ForegroundColor Gray
        $results += @{
            Description = "User Login"
            Method = "POST"
            Endpoint = "/api/auth/login"
            StatusCode = 200
            Status = "PASS"
            ResponseTime = $null
            Error = $null
        }
    }
}
catch {
    Write-Host "Login failed: $_" -ForegroundColor Red
    Write-Host "Attempting to use default test tenant..." -ForegroundColor Yellow

    # Try default test tenant
    $altLoginBody = @{
        tenantSlug = "testcompany"
        email = "admin@testcompany.com"
        password = "Admin123!"
    } | ConvertTo-Json

    try {
        $loginResponse = Invoke-RestMethod -Uri "$baseUrl/api/auth/login" -Method POST -Body $altLoginBody -ContentType "application/json" -ErrorAction Stop
        $token = $loginResponse.accessToken
        $tenantId = $loginResponse.tenantId
        $userId = $loginResponse.userId
        Write-Host "Login successful with default test tenant!" -ForegroundColor Green
        Write-Host "  TenantId: $tenantId" -ForegroundColor Gray
        Write-Host "  UserId: $userId" -ForegroundColor Gray
    }
    catch {
        Write-Host "Could not obtain token. Skipping authenticated tests." -ForegroundColor Red
        $token = $null
    }
}

Write-Host ""

# Setup auth headers
$authHeaders = @{
    "Authorization" = "Bearer $token"
    "Accept" = "application/json"
}

# Test 3: ProjectManagement API Endpoints
Write-Host "`n--- Phase 2: ProjectManagement API Validation ---`n" -ForegroundColor Cyan

if ($token) {
    # Test GET /api/v1/projects
    $result = Test-Endpoint -Method "GET" -Endpoint "/api/v1/projects" -Headers $authHeaders -Description "Get All Projects"
    $results += $result

    # Test CREATE Project
    $createProjectBody = @{
        name = "Sprint 1 Test Project"
        description = "Test project for API validation"
        key = "SPR1"
        ownerId = $userId
    } | ConvertTo-Json

    Write-Host "Creating test project..." -ForegroundColor Yellow
    try {
        $projectResponse = Invoke-RestMethod -Uri "$baseUrl/api/v1/projects" -Method POST -Body $createProjectBody -Headers $authHeaders -ContentType "application/json" -ErrorAction Stop
        $projectId = $projectResponse.id

        Write-Host "Project created successfully! ID: $projectId" -ForegroundColor Green
        $results += @{
            Description = "Create Project"
            Method = "POST"
            Endpoint = "/api/v1/projects"
            StatusCode = 201
            Status = "PASS"
            ResponseTime = $null
            Error = $null
        }

        # Test GET /api/v1/projects/{id}
        $result = Test-Endpoint -Method "GET" -Endpoint "/api/v1/projects/$projectId" -Headers $authHeaders -Description "Get Project by ID"
        $results += $result

        # Test Epic Endpoints
        Write-Host "`n--- Testing Epic Endpoints ---`n" -ForegroundColor Cyan

        # Test GET /api/projects/{projectId}/epics (empty list)
        $result = Test-Endpoint -Method "GET" -Endpoint "/api/v1/projects/$projectId/epics" -Headers $authHeaders -Description "Get Project Epics (empty)"
        $results += $result

        # Test CREATE Epic (independent endpoint)
        $createEpicBody = @{
            projectId = $projectId
            name = "Sprint 1 Epic"
            description = "Test epic for API validation"
            createdBy = $userId
        } | ConvertTo-Json

        Write-Host "Creating test epic..." -ForegroundColor Yellow
        try {
            $epicResponse = Invoke-RestMethod -Uri "$baseUrl/api/v1/epics" -Method POST -Body $createEpicBody -Headers $authHeaders -ContentType "application/json" -ErrorAction Stop
            $epicId = $epicResponse.id

            Write-Host "Epic created successfully! ID: $epicId" -ForegroundColor Green
            $results += @{
                Description = "Create Epic (Independent Endpoint)"
                Method = "POST"
                Endpoint = "/api/v1/epics"
                StatusCode = 201
                Status = "PASS"
                ResponseTime = $null
                Error = $null
            }

            # Test GET /api/epics/{id}
            $result = Test-Endpoint -Method "GET" -Endpoint "/api/v1/epics/$epicId" -Headers $authHeaders -Description "Get Epic by ID"
            $results += $result

            # Test Story Endpoints
            Write-Host "`n--- Testing Story Endpoints ---`n" -ForegroundColor Cyan

            # Test GET /api/epics/{epicId}/stories (empty list)
            $result = Test-Endpoint -Method "GET" -Endpoint "/api/v1/epics/$epicId/stories" -Headers $authHeaders -Description "Get Epic Stories (empty)"
            $results += $result

            # Test CREATE Story (independent endpoint)
            $createStoryBody = @{
                epicId = $epicId
                title = "Sprint 1 Story"
                description = "Test story for API validation"
                priority = "Medium"
                estimatedHours = 8
                createdBy = $userId
            } | ConvertTo-Json

            Write-Host "Creating test story..." -ForegroundColor Yellow
            try {
                $storyResponse = Invoke-RestMethod -Uri "$baseUrl/api/v1/stories" -Method POST -Body $createStoryBody -Headers $authHeaders -ContentType "application/json" -ErrorAction Stop
                $storyId = $storyResponse.id

                Write-Host "Story created successfully! ID: $storyId" -ForegroundColor Green
                $results += @{
                    Description = "Create Story (Independent Endpoint)"
                    Method = "POST"
                    Endpoint = "/api/v1/stories"
                    StatusCode = 201
                    Status = "PASS"
                    ResponseTime = $null
                    Error = $null
                }

                # Test GET /api/stories/{id}
                $result = Test-Endpoint -Method "GET" -Endpoint "/api/v1/stories/$storyId" -Headers $authHeaders -Description "Get Story by ID"
                $results += $result

                # Test Task Endpoints
                Write-Host "`n--- Testing Task Endpoints ---`n" -ForegroundColor Cyan

                # Test GET /api/stories/{storyId}/tasks (empty list)
                $result = Test-Endpoint -Method "GET" -Endpoint "/api/v1/stories/$storyId/tasks" -Headers $authHeaders -Description "Get Story Tasks (empty)"
                $results += $result

                # Test CREATE Task (independent endpoint)
                $createTaskBody = @{
                    storyId = $storyId
                    title = "Sprint 1 Task"
                    description = "Test task for API validation"
                    priority = "High"
                    estimatedHours = 4
                    createdBy = $userId
                } | ConvertTo-Json

                Write-Host "Creating test task..." -ForegroundColor Yellow
                try {
                    $taskResponse = Invoke-RestMethod -Uri "$baseUrl/api/v1/tasks" -Method POST -Body $createTaskBody -Headers $authHeaders -ContentType "application/json" -ErrorAction Stop
                    $taskId = $taskResponse.id

                    Write-Host "Task created successfully! ID: $taskId" -ForegroundColor Green
                    $results += @{
                        Description = "Create Task (Independent Endpoint)"
                        Method = "POST"
                        Endpoint = "/api/v1/tasks"
                        StatusCode = 201
                        Status = "PASS"
                        ResponseTime = $null
                        Error = $null
                    }

                    # Test GET /api/tasks/{id}
                    $result = Test-Endpoint -Method "GET" -Endpoint "/api/v1/tasks/$taskId" -Headers $authHeaders -Description "Get Task by ID"
                    $results += $result

                    # Test GET /api/projects/{projectId}/tasks (for Kanban board)
                    $result = Test-Endpoint -Method "GET" -Endpoint "/api/v1/projects/$projectId/tasks" -Headers $authHeaders -Description "Get Project Tasks (for Kanban)"
                    $results += $result

                    # Test UPDATE Task Status (for Kanban drag & drop)
                    $updateTaskStatusBody = @{
                        newStatus = "InProgress"
                    } | ConvertTo-Json

                    $result = Test-Endpoint -Method "PUT" -Endpoint "/api/v1/tasks/$taskId/status" -Headers $authHeaders -Body $updateTaskStatusBody -Description "Update Task Status"
                    $results += $result

                    Write-Host "`n--- Testing Update Operations ---`n" -ForegroundColor Cyan

                    # Test UPDATE Story
                    $updateStoryBody = @{
                        title = "Updated Sprint 1 Story"
                        description = "Updated description"
                        status = "InProgress"
                        priority = "High"
                        estimatedHours = 12
                    } | ConvertTo-Json

                    $result = Test-Endpoint -Method "PUT" -Endpoint "/api/v1/stories/$storyId" -Headers $authHeaders -Body $updateStoryBody -Description "Update Story"
                    $results += $result

                    # Test UPDATE Epic
                    $updateEpicBody = @{
                        name = "Updated Sprint 1 Epic"
                        description = "Updated epic description"
                    } | ConvertTo-Json

                    $result = Test-Endpoint -Method "PUT" -Endpoint "/api/v1/epics/$epicId" -Headers $authHeaders -Body $updateEpicBody -Description "Update Epic"
                    $results += $result

                    Write-Host "`n--- Testing Delete Operations ---`n" -ForegroundColor Cyan

                    # Test DELETE Task
                    $result = Test-Endpoint -Method "DELETE" -Endpoint "/api/v1/tasks/$taskId" -Headers $authHeaders -Description "Delete Task"
                    $results += $result

                    # Test DELETE Story
                    $result = Test-Endpoint -Method "DELETE" -Endpoint "/api/v1/stories/$storyId" -Headers $authHeaders -Description "Delete Story"
                    $results += $result
                }
                catch {
                    Write-Host "Task creation failed: $_" -ForegroundColor Red
                    $results += @{
                        Description = "Create Task (Independent Endpoint)"
                        Method = "POST"
                        Endpoint = "/api/v1/tasks"
                        StatusCode = "Error"
                        Status = "FAIL"
                        ResponseTime = $null
                        Error = $_.Exception.Message
                    }
                }
            }
            catch {
                Write-Host "Story creation failed: $_" -ForegroundColor Red
                $results += @{
                    Description = "Create Story (Independent Endpoint)"
                    Method = "POST"
                    Endpoint = "/api/v1/stories"
                    StatusCode = "Error"
                    Status = "FAIL"
                    ResponseTime = $null
                    Error = $_.Exception.Message
                }
            }
        }
        catch {
            Write-Host "Epic creation failed: $_" -ForegroundColor Red
            $results += @{
                Description = "Create Epic (Independent Endpoint)"
                Method = "POST"
                Endpoint = "/api/v1/epics"
                StatusCode = "Error"
                Status = "FAIL"
                ResponseTime = $null
                Error = $_.Exception.Message
            }
        }
    }
    catch {
        Write-Host "Project creation failed: $_" -ForegroundColor Red
        $results += @{
            Description = "Create Project"
            Method = "POST"
            Endpoint = "/api/v1/projects"
            StatusCode = "Error"
            Status = "FAIL"
            ResponseTime = $null
            Error = $_.Exception.Message
        }
    }
}
else {
    Write-Host "Skipping authenticated tests (no token available)" -ForegroundColor Yellow
}

# Test SignalR Hub connectivity
Write-Host "`n--- Phase 3: SignalR Hub Validation ---`n" -ForegroundColor Cyan

Write-Host "Testing SignalR Hub endpoints..." -ForegroundColor Yellow
Write-Host "  Hub: /hubs/project" -ForegroundColor Gray
Write-Host "  Note: Full WebSocket testing requires specialized client" -ForegroundColor Gray

$result = Test-Endpoint -Method "POST" -Endpoint "/hubs/project/negotiate" -Headers $authHeaders -Description "SignalR Negotiate (Project Hub)"
$results += $result

Write-Host ""

# Generate Summary Report
Write-Host "`n========================================" -ForegroundColor Cyan
Write-Host "Validation Summary" -ForegroundColor Cyan
Write-Host "========================================`n" -ForegroundColor Cyan

$totalTests = $results.Count
$passedTests = ($results | Where-Object { $_.Status -eq "PASS" }).Count
$failedTests = ($results | Where-Object { $_.Status -eq "FAIL" }).Count
$passRate = [math]::Round(($passedTests / $totalTests) * 100, 2)

Write-Host "Total Tests: $totalTests" -ForegroundColor White
Write-Host "Passed: $passedTests" -ForegroundColor Green
Write-Host "Failed: $failedTests" -ForegroundColor Red
Write-Host "Pass Rate: $passRate%" -ForegroundColor $(if ($passRate -ge 90) { "Green" } elseif ($passRate -ge 70) { "Yellow" } else { "Red" })

Write-Host "`n--- Failed Tests ---`n" -ForegroundColor Red
$failedResults = $results | Where-Object { $_.Status -eq "FAIL" }
if ($failedResults.Count -gt 0) {
    foreach ($failed in $failedResults) {
        Write-Host "$($failed.Method) $($failed.Endpoint)" -ForegroundColor Red
        Write-Host "  Description: $($failed.Description)" -ForegroundColor Gray
        Write-Host "  Status Code: $($failed.StatusCode)" -ForegroundColor Gray
        Write-Host "  Error: $($failed.Error)" -ForegroundColor Gray
        Write-Host ""
    }
}
else {
    Write-Host "No failed tests!" -ForegroundColor Green
}

# Export results to JSON
$reportPath = "c:\Users\yaoji\git\ColaCoder\product-master\colaflow-api\Sprint1-API-Validation-Report.json"
$results | ConvertTo-Json -Depth 10 | Out-File $reportPath
Write-Host "`nDetailed report saved to: $reportPath" -ForegroundColor Cyan

Write-Host "`n========================================" -ForegroundColor Cyan
Write-Host "Validation Complete" -ForegroundColor Cyan
Write-Host "========================================`n" -ForegroundColor Cyan