package tui

import (
	"context"

	tea "github.com/charmbracelet/bubbletea"

	"git.tukangketik.id/swanadiva/hostkeeper/internal/models"
	"git.tukangketik.id/swanadiva/hostkeeper/pkg/storage"
)

// quitMsg signals the TUI to exit
type quitMsg struct{}

// sshConnectToMsg signals the TUI to connect to a host via native SSH
type sshConnectToMsg struct {
	host *models.Host
}

// sshExitMsg signals that a native SSH session has ended
type sshExitMsg struct {
	err error
}

// openHostFormMsg signals the TUI to open a host form tab
type openHostFormMsg struct {
	editing *models.Host // nil for add mode
}

// closeFormMsg signals the TUI to close the active form tab
type closeFormMsg struct{}

// saveHostMsg is produced when the form needs to save a host
type saveHostMsg struct {
	host    *models.Host
	dataDir string
}

// saveHostResultMsg is produced after a save attempt
type saveHostResultMsg struct {
	host *models.Host
	err  error
}

// openSFTPMsg signals the TUI to open an SFTP browser tab
type openSFTPMsg struct {
	host *models.Host
}

// loadedHostsMsg is produced after reloading hosts from storage
type loadedHostsMsg struct {
	hosts []*models.Host
}

// Key management messages
type openKeyListMsg struct{}

type openKeyFormMsg struct {
	editing *models.KeyPair
}

type saveKeyMsg struct {
	key     *models.KeyPair
	dataDir string
}

type saveKeyResultMsg struct {
	key *models.KeyPair
	err error
}

type deleteKeyMsg struct {
	id      string
	dataDir string
}

type deleteKeyResultMsg struct {
	err error
}

// Snippet management messages
type openSnippetListMsg struct{}

type openSnippetFormMsg struct {
	editing *models.Snippet
}

type saveSnippetMsg struct {
	snippet *models.Snippet
	dataDir string
}

type saveSnippetResultMsg struct {
	snippet *models.Snippet
	err     error
}

type deleteSnippetMsg struct {
	id      string
	dataDir string
}

type deleteSnippetResultMsg struct {
	err error
}

// saveKeyCmd creates a command that saves a key pair to storage
func saveKeyCmd(key *models.KeyPair, dataDir string) tea.Cmd {
	return func() tea.Msg {
		store, err := storage.NewJSONStorage(dataDir)
		if err != nil {
			return saveKeyResultMsg{err: err}
		}
		ctx := context.Background()
		if err := store.SaveKeyPair(ctx, key); err != nil {
			return saveKeyResultMsg{err: err}
		}
		return saveKeyResultMsg{key: key}
	}
}

// deleteKeyCmd creates a command that deletes a key pair
func deleteKeyCmd(id, dataDir string) tea.Cmd {
	return func() tea.Msg {
		store, err := storage.NewJSONStorage(dataDir)
		if err != nil {
			return deleteKeyResultMsg{err: err}
		}
		ctx := context.Background()
		if err := store.DeleteKeyPair(ctx, id); err != nil {
			return deleteKeyResultMsg{err: err}
		}
		return deleteKeyResultMsg{}
	}
}

// saveSnippetCmd creates a command that saves a snippet to storage
func saveSnippetCmd(snippet *models.Snippet, dataDir string) tea.Cmd {
	return func() tea.Msg {
		store, err := storage.NewJSONStorage(dataDir)
		if err != nil {
			return saveSnippetResultMsg{err: err}
		}
		ctx := context.Background()
		if err := store.SaveSnippet(ctx, snippet); err != nil {
			return saveSnippetResultMsg{err: err}
		}
		return saveSnippetResultMsg{snippet: snippet}
	}
}

// deleteSnippetCmd creates a command that deletes a snippet
func deleteSnippetCmd(id, dataDir string) tea.Cmd {
	return func() tea.Msg {
		store, err := storage.NewJSONStorage(dataDir)
		if err != nil {
			return deleteSnippetResultMsg{err: err}
		}
		ctx := context.Background()
		if err := store.DeleteSnippet(ctx, id); err != nil {
			return deleteSnippetResultMsg{err: err}
		}
		return deleteSnippetResultMsg{}
	}
}

// saveHostCmd creates a command that saves a host to storage
func saveHostCmd(host *models.Host, dataDir string) tea.Cmd {
	return func() tea.Msg {
		store, err := storage.NewJSONStorage(dataDir)
		if err != nil {
			return saveHostResultMsg{err: err}
		}
		ctx := context.Background()
		if err := store.SaveHost(ctx, host); err != nil {
			return saveHostResultMsg{err: err}
		}
		return saveHostResultMsg{host: host}
	}
}

// openEncryptPromptMsg shows the encryption setup prompt
type openEncryptPromptMsg struct{}