# Get-GiteaChildItem.Tests.ps1

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

Describe 'Get-GiteaChildItem' {

    BeforeEach {
        # Mock config load
        Mock -CommandName Get-GiteaConfiguration -ModuleName PS-GiteaUtilities -MockWith {
            return @{
                giteaURL = 'https://mock.gitea.com'
                defaultOwner = 'mockuser'
                defaultRepo = 'mockrepo'
                defaultBranch = 'main'
                token = 'mocktoken'
            }
        }

        # Mock LFS config
        Mock -CommandName Get-GiteaLFSConfiguration -ModuleName PS-GiteaUtilities -MockWith {
            return @(".lfs")
        }

        # Mock web call to list files
        Mock -CommandName Invoke-RestMethod -ModuleName PS-GiteaUtilities -MockWith {
            return @(
                @{
                    name = "file1.txt"
                    path = "file1.txt"
                    type = "file"
                    size = 123
                    sha = "abc123"
                    download_url = "https://mock.gitea.com/file1.txt"
                },
                @{
                    name = "subdir"
                    path = "subdir"
                    type = "dir"
                    size = 0
                    sha = $null
                    download_url = $null
                }
            )
        }

        Mock -CommandName Write-Error -ModuleName PS-GiteaUtilities -MockWith { }
    }

    Context 'When listing basic items' {
        It 'Should return files and directories correctly' {
            $result = Get-GiteaChildItem -repoOwner 'mockuser' -repoName 'mockrepo' -Path '' -token 'mocktoken'

            $result | Should -Not -BeNullOrEmpty
            $result.Count | Should -BeGreaterThan 0

            $file = $result | Where-Object { $_.type -eq 'file' }
            $dir  = $result | Where-Object { $_.type -eq 'dir' }

            $file.name | Should -Be 'file1.txt'
            $dir.name  | Should -Be 'subdir'
        }
    }

    Context 'When filtering only files' {
        It 'Should return only files when -File is used' {
            $result = Get-GiteaChildItem -repoOwner 'mockuser' -repoName 'mockrepo' -Path '' -token 'mocktoken' -File

            $result | Should -Not -BeNullOrEmpty
            $result.Count | Should -Be 1
            $result[0].type | Should -Be 'file'
        }
    }

    Context 'When recursing into directories' {
        BeforeEach {
            # Mock recursion call
            Mock -CommandName Invoke-RestMethod -ModuleName PS-GiteaUtilities -MockWith {
                param($Uri)

                if ($Uri -like "*subdir*") {
                    return @(
                        @{
                            name = "nestedfile.txt"
                            path = "subdir/nestedfile.txt"
                            type = "file"
                            size = 456
                            sha = "def456"
                            download_url = "https://mock.gitea.com/subdir/nestedfile.txt"
                        }
                    )
                } else {
                    return @(
                        @{
                            name = "file1.txt"
                            path = "file1.txt"
                            type = "file"
                            size = 123
                            sha = "abc123"
                            download_url = "https://mock.gitea.com/file1.txt"
                        },
                        @{
                            name = "subdir"
                            path = "subdir"
                            type = "dir"
                            size = 0
                            sha = $null
                            download_url = $null
                        }
                    )
                }
            }
        }

        It 'Should retrieve nested files when -Recurse is used' {
            $result = Get-GiteaChildItem -repoOwner 'mockuser' -repoName 'mockrepo' -Path '' -token 'mocktoken' -Recurse

            $nested = $result | Where-Object { $_.Path -eq 'subdir/nestedfile.txt' }

            $nested | Should -Not -BeNullOrEmpty
            $nested.size | Should -Be 456
        }
    }

    Context 'When recursion depth limit is enforced' {
        BeforeEach {
            # Same recursion mock as above
            Mock -CommandName Invoke-RestMethod -ModuleName PS-GiteaUtilities -MockWith {
                param($Uri)

                if ($Uri -like "*subdir*") {
                    return @(
                        @{
                            name = "nestedfile.txt"
                            path = "subdir/nestedfile.txt"
                            type = "file"
                            size = 456
                            sha = "def456"
                            download_url = "https://mock.gitea.com/subdir/nestedfile.txt"
                        }
                    )
                } else {
                    return @(
                        @{
                            name = "file1.txt"
                            path = "file1.txt"
                            type = "file"
                            size = 123
                            sha = "abc123"
                            download_url = "https://mock.gitea.com/file1.txt"
                        },
                        @{
                            name = "subdir"
                            path = "subdir"
                            type = "dir"
                            size = 0
                            sha = $null
                            download_url = $null
                        }
                    )
                }
            }
        }

        It 'Should not recurse deeper than depth limit' {
            $result = Get-GiteaChildItem -repoOwner 'mockuser' -repoName 'mockrepo' -Path '' -token 'mocktoken' -Recurse -Depth 0

            $nested = $result | Where-Object { $_.Path -eq 'subdir/nestedfile.txt' }
            $nested | Should -BeNullOrEmpty
        }
    }
}