# GitOps Command Handler
# Domain: Event-driven deployments from Git repositories

use ./shared.nu *

def gitops-rules [config_path: string] { [] }
def gitops-watch [--provider = "github"] { {provider: $provider, webhook_port: 9000} }
def gitops-trigger [rule: string --check = false] { {rule: $rule, deployment_id: "dep-123"} }
def gitops-event-types [] { ["push" "pull_request" "tag"] }
def gitops-deployments [--status: string = ""] { [] }
def gitops-status [] { {active_rules: 0, total_deployments: 0} }

export def cmd-gitops [
    action: string
    args: list = []
    --check = false
] {
    if ($action == null) { help-gitops; return }

    match $action {
        "rules" => {
            let config_path = ($args | get 0?)
            if ($config_path == null) {
                print "Usage: provisioning gitops rules <config_file>"
                exit 1
            }
            let rules = (gitops-rules $config_path)
            print $"Loaded ($rules | length) GitOps rules"
        }
        "watch" => {
            let provider = ($args | get 0? | default "github")
            print $"Watching for events on [$provider]..."
            if (not $check) {
                let result = (gitops-watch --provider=$provider)
                print $"Webhook listening on port [$result.webhook_port]"
            }
        }
        "trigger" => {
            let rule = ($args | get 0?)
            if ($rule == null) {
                print "Usage: provisioning gitops trigger <rule_name>"
                exit 1
            }
            let result = (gitops-trigger $rule --check=$check)
            print $"Deployment triggered: [$result.deployment_id]"
        }
        "events" => {
            let events = (gitops-event-types)
            print "Supported events:"
            $events | each {|e| print $"  • $e"}
        }
        "deployments" => {
            let status_filter = ($args | get 0?)
            let deployments = (gitops-deployments --status=$status_filter)
            if ($deployments | length) == 0 {
                print "No deployments found"
            } else {
                print "Active deployments:"
            }
        }
        "status" => {
            let status = (gitops-status)
            print "GitOps Status:"
            print $"  Active Rules: [$status.active_rules]"
            print $"  Total Deployments: [$status.total_deployments]"
        }
        "help" | "--help" => { help-gitops }
        _ => { print $"Unknown gitops command: [$action]"; help-gitops; exit 1 }
    }
}

def help-gitops [] {
    print "GitOps - Event-driven deployments from Git"
    print ""
    print "Usage: provisioning gitops <action> [args]"
    print ""
    print "Actions:"
    print "  rules <config>          Load GitOps rules"
    print "  watch [provider]        Watch for Git events"
    print "  trigger <rule>          Trigger deployment"
    print "  events                  List supported events"
    print "  deployments [status]    List deployments"
    print "  status                  Show GitOps status"
}
