package main

import (
	"encoding/json"
	"fmt"
	"net/http"
	"time"
)

func (c *KVSClient) handleUserList(args []string) {
	// Note: Backend doesn't have a list-all endpoint, this would need to be added
	fmt.Println(yellow("User listing not implemented in backend API"))
}

func (c *KVSClient) handleUserGet(args []string) {
	if len(args) < 1 {
		fmt.Println(red("Usage: user get <uuid>"))
		return
	}

	respBody, status, err := c.doRequest("GET", "/api/users/"+args[0], nil)
	if err != nil {
		fmt.Println(red("Error:"), err)
		return
	}

	if status == 404 {
		fmt.Println(yellow("User not found"))
		return
	}

	if status != 200 {
		fmt.Println(red("Error:"), string(respBody))
		return
	}

	var user User
	if err := json.Unmarshal(respBody, &user); err != nil {
		fmt.Println(red("Error parsing response:"), err)
		return
	}

	fmt.Println(cyan("User Details:"))
	fmt.Printf("  UUID:          %s\n", user.UUID)
	fmt.Printf("  Nickname Hash: %s\n", user.NicknameHash)
	fmt.Printf("  Groups:        %v\n", user.Groups)
	fmt.Printf("  Created:       %s\n", time.Unix(user.CreatedAt, 0).Format(time.RFC3339))
	fmt.Printf("  Updated:       %s\n", time.Unix(user.UpdatedAt, 0).Format(time.RFC3339))
}

func (c *KVSClient) handleUserCreate(args []string) {
	if len(args) < 1 {
		fmt.Println(red("Usage: user create <nickname>"))
		return
	}

	// The request body requires a JSON object like {"nickname": "..."}
	requestPayload := map[string]string{
		"nickname": args[0],
	}

	respBody, status, err := c.doRequest("POST", "/api/users", requestPayload)
	if err != nil {
		fmt.Println(red("Error:"), err)
		return
	}

	// The backend returns 200 OK on success
	if status != http.StatusOK {
		fmt.Printf(red("Error creating user (status %d):\n"), status)
		fmt.Println(string(respBody))
		return
	}

	// Parse the successful response to get the new user's UUID
	var response struct {
		UUID string `json:"uuid"`
	}
	if err := json.Unmarshal(respBody, &response); err != nil {
		fmt.Println(red("Error parsing successful response:"), err)
		return
	}

	fmt.Println(green("User created successfully"))
	fmt.Println(cyan("UUID:"), response.UUID)
}