# detect-platform.ps1 - Detect git platform (Gitea or GitHub) for current repo
# Usage: . .\detect-platform.ps1; Get-GitPlatform
#        or: .\detect-platform.ps1 (prints platform name)

function Get-GitPlatform {
    [CmdletBinding()]
    param()

    $remoteUrl = git remote get-url origin 2>$null

    if ([string]::IsNullOrEmpty($remoteUrl)) {
        Write-Error "Not a git repository or no origin remote"
        return $null
    }

    # Check for GitHub
    if ($remoteUrl -match "github\.com") {
        return "github"
    }

    # Check for common Gitea indicators
    # Gitea URLs typically don't contain github.com, gitlab.com, bitbucket.org
    if ($remoteUrl -notmatch "gitlab\.com" -and $remoteUrl -notmatch "bitbucket\.org") {
        # Assume Gitea for self-hosted repos
        return "gitea"
    }

    return "unknown"
}

function Get-GitRepoInfo {
    [CmdletBinding()]
    param()

    $remoteUrl = git remote get-url origin 2>$null

    if ([string]::IsNullOrEmpty($remoteUrl)) {
        Write-Error "Not a git repository or no origin remote"
        return $null
    }

    # Extract owner/repo from URL
    # Handles: git@host:owner/repo.git, https://host/owner/repo.git, https://host/owner/repo
    $repoPath = $remoteUrl
    if ($remoteUrl -match "^git@") {
        $repoPath = ($remoteUrl -split ":")[1]
    } else {
        # Remove protocol and host
        $repoPath = $remoteUrl -replace "^https?://[^/]+/", ""
    }

    # Remove .git suffix if present
    $repoPath = $repoPath -replace "\.git$", ""

    return $repoPath
}

function Get-GitRepoOwner {
    [CmdletBinding()]
    param()

    $repoInfo = Get-GitRepoInfo
    if ($repoInfo) {
        return ($repoInfo -split "/")[0]
    }
    return $null
}

function Get-GitRepoName {
    [CmdletBinding()]
    param()

    $repoInfo = Get-GitRepoInfo
    if ($repoInfo) {
        return ($repoInfo -split "/")[-1]
    }
    return $null
}

# If script is run directly (not dot-sourced), output the platform
if ($MyInvocation.InvocationName -ne ".") {
    Get-GitPlatform
}