package reports

import (
	"strconv"
	db "ttime/internal/database"

	"github.com/gofiber/fiber/v2"
	"github.com/gofiber/fiber/v2/log"
	"github.com/golang-jwt/jwt/v5"
)

// Handler for retrieving weekly report
func GetWeeklyReport(c *fiber.Ctx) error {
	// Extract the necessary parameters from the request
	user := c.Locals("user").(*jwt.Token)
	claims := user.Claims.(jwt.MapClaims)
	username := claims["name"].(string)

	// Extract project name and week from query parameters
	projectName := c.Query("projectName")
	week := c.Query("week")
	target_user := c.Query("targetUser") // The user whose report is being requested

	// If the target user is not empty, use it as the username
	if target_user == "" {
		target_user = username
	}

	log.Info(username, " trying to get weekly report for: ", target_user)

	if projectName == "" || week == "" {
		log.Info("Missing project name or week number")
		return c.Status(400).SendString("Missing project name or week number")
	}

	// Convert week to integer
	weekInt, err := strconv.Atoi(week)
	if err != nil {
		log.Info("Invalid week number")
		return c.Status(400).SendString("Invalid week number")
	}

	// If the token user is not an admin, check if the target user is the same as the token user
	pm, err := db.GetDb(c).IsProjectManager(username, projectName)
	if err != nil {
		log.Info("Error checking if user is project manager:", err)
		return c.Status(500).SendString(err.Error())
	}

	if !(pm || target_user == username) {
		log.Info("Unauthorized access")
		return c.Status(403).SendString("Unauthorized access")
	}

	// Call the database function to get the weekly report
	report, err := db.GetDb(c).GetWeeklyReport(target_user, projectName, weekInt)
	if err != nil {
		log.Info("Error getting weekly report from db:", err)
		return c.Status(500).SendString(err.Error())
	}

	log.Info("Returning weekly report")
	// Return the retrieved weekly report
	return c.JSON(report)
}