# Veeam B&R collector, against collectors/veeam/tests/MockVeeam.ps1 (shapes from a VBR 13 server).

BeforeAll {
    Import-Module (Join-Path $PSScriptRoot 'TestHelpers.psm1') -Force
    $now = Set-MockNow
    $dash = [char]0x2013  # job names use an en dash, as real ones often do
    $fileServer = "File Server $dash Nightly"
    $config = @{ ApiUrl = 'http://localhost:1'; ApiKey = 'bdk_x'; Tenant = 'Acme' }

    function Get-Runs($Reports, [string]$JobName) {
        @($Reports | Where-Object { $_.job.name -eq $JobName -and $_.run } | ForEach-Object run)
    }
}

Describe 'Veeam collector' {
    Context 'what it reports (dry run)' {
        BeforeAll {
            $r = Invoke-Collector veeam -Config $config -DryRun
            $jobs = @{}
            foreach ($report in $r.Reports) { $jobs[$report.job.name] = $report.job }
        }

        It 'runs cleanly' {
            $r.ExitCode | Should -Be 0
            $r.Log[-1] | Should -Be '[INFO] Reported 5 jobs, 6 runs, 0 failures'
        }
        It 'reports every job, under the configured tenant' {
            $jobs.Keys | Sort-Object | Should -Be @('Cloud Copy', $fileServer, 'Offsite Copy', 'Old Exchange', "SQL01 $dash Logs")
            $r.Reports.tenant | Select-Object -Unique | Should -Be 'Acme'
            $r.Reports.source_system | Select-Object -Unique | Should -Be 'Veeam B&R'
        }
        It "reads the next run from the live schedule (VBR 13's ScheduleOptions property is empty)" {
            $jobs[$fileServer].next_run_at | Should -Be (ConvertTo-ApiTime $now.Date.AddDays(1).AddMinutes(15))
            $jobs["SQL01 $dash Logs"].next_run_at | Should -Be (ConvertTo-ApiTime $now.AddMinutes(40))
        }
        It 'gives no next run to immediate-mode copy jobs (their NextRun is stale), disabled or unscheduled jobs' {
            $jobs['Cloud Copy'].next_run_at | Should -BeNullOrEmpty
            $jobs['Old Exchange'].next_run_at | Should -BeNullOrEmpty
            $jobs['Offsite Copy'].next_run_at | Should -BeNullOrEmpty
        }
        It 'reports a successful session with its times and size' {
            $run = Get-Runs $r.Reports $fileServer | Where-Object status -EQ 'success'
            $run.started_at | Should -Be (ConvertTo-ApiTime $now.AddDays(-1).AddHours(-2))
            $run.finished_at | Should -Be (ConvertTo-ApiTime $now.AddDays(-1).AddHours(-1))
            $run.size_bytes | Should -Be 128GB
            $run.message | Should -Be 'Job completed successfully.'
            $run.details.objects | Should -Be 2
        }
        It 'reports a session in progress as running, without a finish time' {
            $run = Get-Runs $r.Reports $fileServer | Where-Object status -EQ 'running'
            $run.started_at | Should -Be (ConvertTo-ApiTime $now.AddMinutes(-20))
            $run.PSObject.Properties.Name | Should -Not -Contain 'finished_at'
            $run.message | Should -Be ''
        }
        It 'names the object behind a warning' {
            $run = Get-Runs $r.Reports "SQL01 $dash Logs"
            $run.status | Should -Be 'warning'
            $run.message | Should -BeLike 'SQL01: Warning - Failed to truncate transaction logs*'
            $run.details.objects_warning | Should -Be 1
        }
        It "includes a failure's reason and failed log lines, but not successful ones" {
            $run = Get-Runs $r.Reports 'Offsite Copy'
            $run.status | Should -Be 'failed'
            $run.message | Should -BeLike '*Unable to connect to repository NAS02*'
            $run.message | Should -BeLike '*Network path not found (0x80070035)*'
            $run.message | Should -Not -BeLike '*Preparing backup chain*'
        }
        It "files copy jobs' worker sessions under the copy job, naming the source" {
            $runs = Get-Runs $r.Reports 'Cloud Copy'
            $runs.status | Sort-Object | Should -Be @('success', 'warning')
            $runs.details.copied_from | Select-Object -Unique | Should -Be $fileServer
        }
        It "skips sessions outside the lookback window and from jobs it doesn't know" {
            @($r.Reports | Where-Object run).Count | Should -Be 6
            Get-Runs $r.Reports 'Old Exchange' | Should -BeNullOrEmpty
        }
    }

    Context 'sending to the API' {
        BeforeAll {
            $stub = Start-ApiStub
            $live = $config.Clone(); $live.ApiUrl = $stub.Url; $live.ApiKey = 'bdk_good'
            $first = Invoke-Collector veeam -Config $live
            $firstRequests = Get-StubRequests $stub
            $second = Invoke-Collector veeam -Config $live -WorkDir $first.WorkDir
            $secondRequests = Get-StubRequests $stub
        }
        AfterAll { Stop-ApiStub $stub }

        It 'posts each report to /api/v1/ingest with the API key, as UTF-8 JSON' {
            $first.ExitCode | Should -Be 0
            $firstRequests.Count | Should -Be 7
            $firstRequests.Path | Select-Object -Unique | Should -Be '/api/v1/ingest'
            $firstRequests.Auth | Select-Object -Unique | Should -Be 'Bearer bdk_good'
            $firstRequests.ContentType | Select-Object -Unique | Should -Be 'application/json; charset=utf-8'
        }
        It 'keeps non-ASCII job names intact' {
            $firstRequests.Payload.job.name | Should -Contain $fileServer
        }
        It 'remembers finished sessions, but not running ones' {
            $first.State.Count | Should -Be 5
        }
        It 'on the next run, resends only the running session (and refreshes every job)' {
            $resent = @($secondRequests | Where-Object { $_.Payload.run })
            $resent.Count | Should -Be 1
            $resent[0].Payload.run.status | Should -Be 'running'
            $secondRequests.Count | Should -Be 5
        }
    }

    Context 'problems' {
        It 'stops after the first job when the API key is rejected, exiting 1' {
            $stub = Start-ApiStub
            try {
                $r = Invoke-Collector veeam -Config @{ ApiUrl = $stub.Url; ApiKey = 'bdk_bad'; Tenant = 'Acme' }
                (Get-StubRequests $stub).Count | Should -Be 1
                $r.ExitCode | Should -Be 1
                $r.Log | Should -Contain '[ERROR] API key rejected; check ApiKey in the config. Stopping.'
            } finally { Stop-ApiStub $stub }
        }
        It 'exits 2 when the config lacks a tenant' {
            $r = Invoke-Collector veeam -Config @{ ApiUrl = 'http://localhost:1'; ApiKey = 'bdk_x' } -DryRun
            $r.ExitCode | Should -Be 2
            $r.Log[0] | Should -BeLike "*is missing 'Tenant'*"
        }
    }
}