// Copyright (c) 2026 Storm Dragon
// SPDX-License-Identifier: GPL-3.0-or-later

package app

import (
	"context"
	"errors"
	"strings"
	"time"

	"git.stormux.org/storm/cthulhu/internal/preferences"
	"git.stormux.org/storm/cthulhu/internal/tentacle"
)

func (worker *preferencesWorker) manage_tentacle(ctx context.Context, request preferences.Request) preferences.Response {
	response := preferences.Response{}
	if worker.choosingApplication || worker.editApp != "" || request.Application != "" {
		response.Message = "Tentacles can only be managed in global preferences."
		return response
	}
	if request.Save || request.Close || request.Cancel || request.Preview || request.Tentacle == nil {
		response.Message = "Tentacle management must be a separate request."
		return response
	}
	if request.Tentacle.Action == "settings" {
		if request.Tentacle.Entry != nil || request.Tentacle.URL != "" {
			response.Message = "Invalid tentacle settings request."
		} else if err := worker.tentacles.OpenSettings(ctx, request.Tentacle.ID); err != nil {
			response.Message = err.Error()
		} else {
			response.Accepted = true
		}
		return response
	}
	timeout := 6 * time.Second
	if strings.HasPrefix(request.Tentacle.Action, "repository-") || strings.HasPrefix(request.Tentacle.Action, "install") {
		timeout = 50 * time.Second
	}
	ctx, cancel := context.WithTimeout(ctx, timeout)
	defer cancel()
	if err := worker.tentacles.Manage(ctx, *request.Tentacle); err != nil {
		response.Message = "Tentacle operation was not accepted: " + err.Error()
		if errors.Is(err, tentacle.ErrRegistrySync) {
			response.Accepted = true
			response.Message = "Tentacle configuration applied and saved, but durability could not be confirmed."
		}
	} else {
		response.Accepted = true
		response.Message = "Tentacle configuration saved; runtime status is shown separately."
		if request.Tentacle.Action == "list" {
			response.Message = "Tentacle status."
		}
		if request.Tentacle.Action == "retry" {
			response.Message = "Tentacle is active."
		}
		switch request.Tentacle.Action {
		case "install":
			response.Message = "Tentacle installed and saved. Enable it when you are ready."
		case "install-enable":
			response.Message = "Tentacle installed and active."
		case "repository-add":
			response.Message = "Repository added. Its tentacles are listed in the table."
		case "repository-refresh":
			response.Message = "Repository catalog refreshed."
		case "repository-remove":
			response.Message = "Repository removed. Installed tentacles and settings were retained."
		}
	}
	snapshot := worker.tentacles.Snapshot()
	response.Tentacles = &snapshot
	return response
}