package cmd

import (
	"fmt"
	"os"

	"git.franklin.lab/steve.cliff/pcli/output"
	"github.com/spf13/cobra"
)

var taskListCmd = &cobra.Command{
	Use:   "task-list",
	Short: "Manage task lists",
	Long:  "Commands for managing Planka task lists",
}

var taskListCreateCmd = &cobra.Command{
	Use:   "create",
	Short: "Create a new task list",
	RunE: func(cmd *cobra.Command, args []string) error {
		cardId, _ := cmd.Flags().GetString("card")
		name, _ := cmd.Flags().GetString("name")

		if cardId == "" {
			return fmt.Errorf("--card is required")
		}
		if name == "" {
			return fmt.Errorf("--name is required")
		}

		fields := map[string]any{
			"name":     name,
			"position": float64(65536),
		}

		if pos, _ := cmd.Flags().GetFloat64("position"); cmd.Flags().Changed("position") {
			fields["position"] = pos
		}
		if showOnFront, _ := cmd.Flags().GetBool("show-on-front"); cmd.Flags().Changed("show-on-front") {
			fields["showOnFrontOfCard"] = showOnFront
		}
		if hideCompleted, _ := cmd.Flags().GetBool("hide-completed"); cmd.Flags().Changed("hide-completed") {
			fields["hideCompletedTasks"] = hideCompleted
		}

		taskList, err := getClient().CreateTaskList(getContext(), cardId, fields)
		if err != nil {
			return err
		}

		return output.Print(taskList, getFormat(), os.Stdout)
	},
}

var taskListGetCmd = &cobra.Command{
	Use:   "get <id>",
	Short: "Get a task list by ID",
	Args:  cobra.ExactArgs(1),
	RunE: func(cmd *cobra.Command, args []string) error {
		taskList, err := getClient().GetTaskList(getContext(), args[0])
		if err != nil {
			return err
		}

		return output.Print(taskList, getFormat(), os.Stdout)
	},
}

var taskListUpdateCmd = &cobra.Command{
	Use:   "update <id>",
	Short: "Update a task list",
	Args:  cobra.ExactArgs(1),
	RunE: func(cmd *cobra.Command, args []string) error {
		fields := make(map[string]any)

		if name, _ := cmd.Flags().GetString("name"); name != "" {
			fields["name"] = name
		}
		if pos, _ := cmd.Flags().GetFloat64("position"); cmd.Flags().Changed("position") {
			fields["position"] = pos
		}
		if showOnFront, _ := cmd.Flags().GetBool("show-on-front"); cmd.Flags().Changed("show-on-front") {
			fields["showOnFrontOfCard"] = showOnFront
		}
		if hideCompleted, _ := cmd.Flags().GetBool("hide-completed"); cmd.Flags().Changed("hide-completed") {
			fields["hideCompletedTasks"] = hideCompleted
		}

		if len(fields) == 0 {
			return fmt.Errorf("at least one field must be specified for update")
		}

		taskList, err := getClient().UpdateTaskList(getContext(), args[0], fields)
		if err != nil {
			return err
		}

		return output.Print(taskList, getFormat(), os.Stdout)
	},
}

var taskListDeleteCmd = &cobra.Command{
	Use:   "delete <id>",
	Short: "Delete a task list",
	Args:  cobra.ExactArgs(1),
	RunE: func(cmd *cobra.Command, args []string) error {
		err := getClient().DeleteTaskList(getContext(), args[0])
		if err != nil {
			return err
		}

		return output.Print(map[string]string{"status": "deleted"}, getFormat(), os.Stdout)
	},
}

func init() {
	rootCmd.AddCommand(taskListCmd)
	taskListCmd.AddCommand(taskListCreateCmd)
	taskListCmd.AddCommand(taskListGetCmd)
	taskListCmd.AddCommand(taskListUpdateCmd)
	taskListCmd.AddCommand(taskListDeleteCmd)

	taskListCreateCmd.Flags().String("card", "", "Card ID (required)")
	taskListCreateCmd.Flags().String("name", "", "Task list name (required)")
	taskListCreateCmd.Flags().Float64("position", 0, "Position")
	taskListCreateCmd.Flags().Bool("show-on-front", true, "Show on front of card")
	taskListCreateCmd.Flags().Bool("hide-completed", false, "Hide completed tasks")

	taskListUpdateCmd.Flags().String("name", "", "Task list name")
	taskListUpdateCmd.Flags().Float64("position", 0, "Position")
	taskListUpdateCmd.Flags().Bool("show-on-front", true, "Show on front of card")
	taskListUpdateCmd.Flags().Bool("hide-completed", false, "Hide completed tasks")
}