# Get-GiteaConfiguration.Tests.ps1

# Import the module under test
$modulePath = Join-Path -Path $PSScriptRoot -ChildPath '..\PS-GiteaUtilities\PS-GiteaUtilities.psm1'
Import-Module -Name $modulePath -Force

Describe 'Get-GiteaConfiguration' {

    Context 'When configuration file exists' {
        BeforeEach {
            # Mock filesystem and import
            Mock -CommandName Test-Path -ModuleName PS-GiteaUtilities -MockWith { $true }
            Mock -CommandName Import-Clixml -ModuleName PS-GiteaUtilities -MockWith { 
                return @{
                    giteaURL = 'https://gitea.example.com'
                    token = 'ABC123'
                }
            }
        }

        It 'Should import configuration and return it' {
            $result = Get-GiteaConfiguration

            $result | Should -Not -BeNullOrEmpty
            $result.giteaURL | Should -Be 'https://gitea.example.com'
            $result.token | Should -Be 'ABC123'
        }

        It 'Should create global variables when LoadVariables is used' {
            # Remove any existing variables first
            Remove-Variable -Name giteaURL, token -Scope Global -ErrorAction SilentlyContinue

            Get-GiteaConfiguration -LoadVariables

            (Get-Variable -Name giteaURL -Scope Global).Value | Should -Be 'https://gitea.example.com'
            (Get-Variable -Name token -Scope Global).Value | Should -Be 'ABC123'
        }

        It 'Should overwrite existing variables when Force is used' {
            # Set initial variables
            Set-Variable -Name giteaURL -Value 'OldURL' -Scope Global
            Set-Variable -Name token -Value 'OldToken' -Scope Global

            Get-GiteaConfiguration -LoadVariables -Force

            (Get-Variable -Name giteaURL -Scope Global).Value | Should -Be 'https://gitea.example.com'
            (Get-Variable -Name token -Scope Global).Value | Should -Be 'ABC123'
        }

        It 'Should not overwrite existing variables without Force' {
            # Set initial variables
            Set-Variable -Name giteaURL -Value 'OldURL' -Scope Global
            Set-Variable -Name token -Value 'OldToken' -Scope Global

            Get-GiteaConfiguration -LoadVariables

            (Get-Variable -Name giteaURL -Scope Global).Value | Should -Be 'OldURL'
            (Get-Variable -Name token -Scope Global).Value | Should -Be 'OldToken'
        }
    }

    Context 'When configuration file does not exist' {
        BeforeEach {
            Mock -CommandName Test-Path -ModuleName PS-GiteaUtilities -MockWith { $false }
            Mock -CommandName Write-Warning -ModuleName PS-GiteaUtilities -MockWith { }
        }

        It 'Should return null and warn the user' {
            $result = Get-GiteaConfiguration

            $result | Should -BeNullOrEmpty
            Assert-MockCalled -CommandName Write-Warning -ModuleName PS-GiteaUtilities -Times 1
        }
    }
}