package handlers

import (
	"github.com/SamuelTariku/FortuneBet-Backend/internal/domain"
	"github.com/gofiber/fiber/v2"
)

// InitiateDirectDeposit godoc
// @Summary Initiate a direct deposit
// @Description Customer initiates a direct deposit from mobile banking
// @Tags Direct Deposits
// @Accept json
// @Produce json
// @Param request body domain.DirectDepositRequest true "Deposit details"
// @Success 201 {object} domain.Response
// @Failure 400 {object} domain.ErrorResponse
// @Failure 500 {object} domain.ErrorResponse
// @Router /api/v1/direct_deposit [post]
func (h *Handler) InitiateDirectDeposit(c *fiber.Ctx) error {
	var req domain.DirectDepositRequest
	if err := c.BodyParser(&req); err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(domain.ErrorResponse{
			Error:   err.Error(),
			Message: "Invalid request payload",
		})
	}

	deposit, err := h.walletSvc.InitiateDirectDeposit(
		c.Context(),
		req.CustomerID,
		req.Amount,
		req.BankReference,
		req.SenderAccount,
	)
	if err != nil {
		return c.Status(fiber.StatusInternalServerError).JSON(domain.ErrorResponse{
			Error:   err.Error(),
			Message: "Failed to initiate direct deposit",
		})
	}

	return c.Status(fiber.StatusCreated).JSON(domain.Response{
		Message:    "Direct deposit initiated successfully",
		Data:       deposit,
		Success:    true,
		StatusCode: fiber.StatusCreated,
	})
}

// VerifyDirectDeposit godoc
// @Summary Verify a direct deposit
// @Description Cashier verifies a direct deposit transaction
// @Tags Direct Deposits
// @Accept json
// @Produce json
// @Param request body domain.VerifyDirectDepositRequest true "Verification details"
// @Success 200 {object} domain.Response
// @Failure 400 {object} domain.ErrorResponse
// @Failure 401 {object} domain.ErrorResponse
// @Failure 500 {object} domain.ErrorResponse
// @Router /api/v1/direct_deposit/verify [post]
func (h *Handler) VerifyDirectDeposit(c *fiber.Ctx) error {
	var req domain.VerifyDirectDepositRequest
	if err := c.BodyParser(&req); err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(domain.ErrorResponse{
			Error:   err.Error(),
			Message: "Invalid verification request",
		})
	}

	cashierID := c.Locals("user_id")
	if cashierID == nil {
		return c.Status(fiber.StatusUnauthorized).JSON(domain.ErrorResponse{
			Error:   "missing user_id in context",
			Message: "Unauthorized access",
		})
	}

	deposit, err := h.walletSvc.VerifyDirectDeposit(
		c.Context(),
		req.DepositID,
		cashierID.(int64),
		req.IsVerified,
		req.Notes,
	)
	if err != nil {
		return c.Status(fiber.StatusInternalServerError).JSON(domain.ErrorResponse{
			Error:   err.Error(),
			Message: "Failed to verify deposit",
		})
	}

	return c.Status(fiber.StatusOK).JSON(domain.Response{
		Message:    "Deposit verification processed successfully",
		Data:       deposit,
		Success:    true,
		StatusCode: fiber.StatusOK,
	})
}

// GetPendingDeposits godoc
// @Summary Get pending direct deposits
// @Description Get list of direct deposits needing verification
// @Tags Direct Deposits
// @Produce json
// @Success 200 {object} domain.Response
// @Failure 500 {object} domain.ErrorResponse
// @Router /api/v1/direct_deposit/pending [get]
func (h *Handler) GetPendingDirectDeposits(c *fiber.Ctx) error {
	deposits, err := h.walletSvc.GetPendingDirectDeposits(c.Context())
	if err != nil {
		return c.Status(fiber.StatusInternalServerError).JSON(domain.ErrorResponse{
			Error:   err.Error(),
			Message: "Failed to retrieve pending deposits",
		})
	}

	return c.Status(fiber.StatusOK).JSON(domain.Response{
		Message:    "Pending deposits retrieved successfully",
		Data:       deposits,
		Success:    true,
		StatusCode: fiber.StatusOK,
	})
}