package handlers

import (
	"fmt"
	"strconv"

	"github.com/SamuelTariku/FortuneBet-Backend/internal/domain"
	"github.com/SamuelTariku/FortuneBet-Backend/internal/web_server/response"
	"github.com/gofiber/fiber/v2"
	"go.uber.org/zap"
)

// GetAllLeagues godoc
// @Summary Gets all leagues
// @Description Gets all leagues
// @Tags leagues
// @Accept json
// @Produce json
// @Success 200 {array} domain.BaseLeague
// @Failure 400 {object} response.APIResponse
// @Failure 500 {object} response.APIResponse
// @Router /api/v1/leagues [get]
func (h *Handler) GetAllLeagues(c *fiber.Ctx) error {
	page := c.QueryInt("page", 1)
	pageSize := c.QueryInt("page_size", 10)

	limit := domain.ValidInt64{
		Value: int64(pageSize),
		Valid: pageSize != 0,
	}
	offset := domain.ValidInt64{
		Value: int64(page - 1),
		Valid: true,
	}

	searchQuery := c.Query("query")
	searchString := domain.ValidString{
		Value: searchQuery,
		Valid: searchQuery != "",
	}

	countryCodeQuery := c.Query("cc")
	countryCode := domain.ValidString{
		Value: countryCodeQuery,
		Valid: countryCodeQuery != "",
	}
	isActiveQuery := c.QueryBool("is_active", false)
	isActiveFilter := c.QueryBool("is_active_filter", false)
	isActive := domain.ValidBool{
		Value: isActiveQuery,
		Valid: isActiveFilter,
	}

	sportIDQuery := c.Query("sport_id")
	var sportID domain.ValidInt32
	if sportIDQuery != "" {
		sportIDint, err := strconv.ParseInt(sportIDQuery, 10, 64)
		if err != nil {
			h.BadRequestLogger().Info("invalid sport id",
				zap.String("sport_id", sportIDQuery),
				zap.Error(err),
			)
			return fiber.NewError(fiber.StatusBadRequest, "invalid sport id")
		}
		sportID = domain.ValidInt32{
			Value: int32(sportIDint),
			Valid: true,
		}
	}

	queryLogFields := []zap.Field{
		zap.Int("page", page),
		zap.Int("page_size", pageSize),
		zap.Int64("limit_value", limit.Value),
		zap.Bool("limit_valid", limit.Valid),
		zap.Int64("offset_value", offset.Value),
		zap.Bool("offset_valid", offset.Valid),
		zap.Bool("is_active_value", isActive.Value),
		zap.Bool("is_active_valid", isActive.Valid),
		zap.String("cc_query", countryCodeQuery),
		zap.String("cc", countryCode.Value),
		zap.String("query", searchQuery),
		zap.Bool("cc_valid", countryCode.Valid),
		zap.String("sport_id_query", sportIDQuery),
		zap.Int32("sport_id", sportID.Value),
		zap.Bool("sport_id_valid", sportID.Valid),
	}

	leagues, total, err := h.leagueSvc.GetAllLeagues(c.Context(), domain.LeagueFilter{
		CountryCode: countryCode,
		IsActive:    isActive,
		SportID:     sportID,
		Limit:       limit,
		Offset:      offset,
		Query:       searchString,
	})

	if err != nil {
		fmt.Printf("Error fetching league %v \n", err)
		h.InternalServerErrorLogger().Error("Failed to get all leagues", append(queryLogFields, zap.Error(err))...,
		)
		return fiber.NewError(fiber.StatusInternalServerError, "Failed to get leagues:"+err.Error())
	}

	res := domain.ConvertBaseLeagueResList(leagues)

	return response.WritePaginatedJSON(c, fiber.StatusOK, "All leagues retrieved successfully", res, nil, page, int(total))
}

// GetAllLeaguesForTenant godoc
// @Summary Gets all leagues
// @Description Gets all leagues
// @Tags leagues
// @Accept json
// @Produce json
// @Success 200 {array} domain.BaseLeague
// @Failure 400 {object} response.APIResponse
// @Failure 500 {object} response.APIResponse
// @Router /api/v1/{tenant_slug}/leagues [get]
func (h *Handler) GetAllLeaguesForTenant(c *fiber.Ctx) error {
	companyID := c.Locals("company_id").(domain.ValidInt64)
	if !companyID.Valid {
		h.BadRequestLogger().Error("invalid company id")
		return fiber.NewError(fiber.StatusBadRequest, "invalid company id")
	}

	page := c.QueryInt("page", 1)
	pageSize := c.QueryInt("page_size", 10)

	limit := domain.ValidInt64{
		Value: int64(pageSize),
		Valid: pageSize == 0,
	}
	offset := domain.ValidInt64{
		Value: int64(page - 1),
		Valid: true,
	}

	searchQuery := c.Query("query")
	searchString := domain.ValidString{
		Value: searchQuery,
		Valid: searchQuery != "",
	}
	countryCodeQuery := c.Query("cc")
	countryCode := domain.ValidString{
		Value: countryCodeQuery,
		Valid: countryCodeQuery != "",
	}
	isActiveQuery := c.QueryBool("is_active", false)
	isActiveFilter := c.QueryBool("is_active_filter", false)
	isActive := domain.ValidBool{
		Value: isActiveQuery,
		Valid: isActiveFilter,
	}

	sportIDQuery := c.Query("sport_id")
	var sportID domain.ValidInt32
	if sportIDQuery != "" {
		sportIDint, err := strconv.ParseInt(sportIDQuery, 10, 64)
		if err != nil {
			h.BadRequestLogger().Info("invalid sport id",
				zap.String("sport_id", sportIDQuery),
				zap.Error(err),
			)
			return fiber.NewError(fiber.StatusBadRequest, "invalid sport id")
		}
		sportID = domain.ValidInt32{
			Value: int32(sportIDint),
			Valid: true,
		}
	}

	queryLogFields := []zap.Field{
		zap.Int64("company_id", companyID.Value),
		zap.Bool("company_valid", companyID.Valid),
		zap.Int("page", page),
		zap.Int("page_size", pageSize),
		zap.Int64("limit_value", limit.Value),
		zap.Bool("limit_valid", limit.Valid),
		zap.Int64("offset_value", offset.Value),
		zap.Bool("offset_valid", offset.Valid),
		zap.Bool("is_active_value", isActive.Value),
		zap.Bool("is_active_valid", isActive.Valid),
		zap.String("cc_query", countryCodeQuery),
		zap.String("cc", countryCode.Value),
		zap.Bool("cc_valid", countryCode.Valid),
		zap.String("sport_id_query", sportIDQuery),
		zap.Int32("sport_id", sportID.Value),
		zap.Bool("sport_id_valid", sportID.Valid),
	}

	leagues, total, err := h.leagueSvc.GetAllLeaguesByCompany(c.Context(), companyID.Value, domain.LeagueFilter{
		CountryCode: countryCode,
		IsActive:    isActive,
		SportID:     sportID,
		Limit:       limit,
		Offset:      offset,
		Query:       searchString,
	})

	if err != nil {
		fmt.Printf("Error fetching league %v \n", err)
		h.InternalServerErrorLogger().Error("Failed to get all leagues", append(queryLogFields, zap.Error(err))...)
		return fiber.NewError(fiber.StatusInternalServerError, "Failed to get leagues:"+err.Error())
	}

	res := domain.ConvertLeagueWithSettingResList(leagues)

	return response.WritePaginatedJSON(c, fiber.StatusOK, "All leagues retrieved", res, nil, page, int(total))
}

type SetLeagueActiveReq struct {
	IsActive bool `json:"is_active"`
}

// SetLeagueActive godoc
// @Summary Set the league to active
// @Description Set the league to active
// @Tags leagues
// @Accept json
// @Produce json
// @Param id path int true "League ID"
// @Param active body SetLeagueActiveReq true "League Active Request"
// @Success 200 {object} response.APIResponse
// @Failure 400 {object} response.APIResponse
// @Failure 500 {object} response.APIResponse
// @Router /api/v1/{tenant_slug}/leagues/{id}/set-active [put]
func (h *Handler) SetLeagueActive(c *fiber.Ctx) error {
	companyID := c.Locals("company_id").(domain.ValidInt64)
	if !companyID.Valid {
		h.mongoLoggerSvc.Error("invalid company id")
		return fiber.NewError(fiber.StatusBadRequest, "invalid company id")
	}
	leagueIdStr := c.Params("id")
	if leagueIdStr == "" {
		return fiber.NewError(fiber.StatusBadRequest, "Missing league id")
	}
	leagueId, err := strconv.ParseInt(leagueIdStr, 10, 64)
	if err != nil {
		return fiber.NewError(fiber.StatusBadRequest, "invalid league id")
	}

	queryLogFields := []zap.Field{
		zap.Int64("company_id", companyID.Value),
		zap.Bool("company_valid", companyID.Valid),
		zap.String("league_id", leagueIdStr),
	}

	var req SetLeagueActiveReq
	if err := c.BodyParser(&req); err != nil {
		h.InternalServerErrorLogger().Error("SetLeagueReq failed to parse request body",
			append(queryLogFields, zap.Error(err))...,
		)
		return fiber.NewError(fiber.StatusBadRequest, "Failed to parse request:"+err.Error())
	}

	queryLogFields = append(queryLogFields, zap.Any("is_active", req.IsActive))
	valErrs, ok := h.validator.Validate(c, req)
	if !ok {
		var errMsg string
		for field, msg := range valErrs {
			errMsg += fmt.Sprintf("%s: %s; ", field, msg)
		}
		h.BadRequestLogger().Info("Failed to validate SetLeagueActiveReq", append(queryLogFields, zap.Error(err))...)
		return fiber.NewError(fiber.StatusBadRequest, errMsg)
	}

	if err := h.leagueSvc.SaveLeagueSettings(c.Context(), domain.CreateLeagueSettings{
		LeagueID:  leagueId,
		CompanyID: companyID.Value,
		IsActive: domain.ValidBool{
			Value: req.IsActive,
			Valid: true,
		},
	}); err != nil {
		h.InternalServerErrorLogger().Error("Failed to update league active", append(queryLogFields, zap.Error(err))...)
		return fiber.NewError(fiber.StatusInternalServerError, "Failed to update league:"+err.Error())
	}

	h.SuccessResLogger().Info("League Active has been successfully updated", queryLogFields...)

	return response.WriteJSON(c, fiber.StatusOK, "League updated successfully", nil, nil)
}

type SetLeagueAsFeatured struct {
	IsFeatured bool `json:"is_featured" example:"true"`
}

// SetLeagueFeatured godoc
// @Summary Set the league to featured/un-featured
// @Description Set the league to featured/un-featured
// @Tags leagues
// @Accept json
// @Produce json
// @Param id path int true "League ID"
// @Param active body SetLeagueAsFeatured true "League Featured Request"
// @Success 200 {object} response.APIResponse
// @Failure 400 {object} response.APIResponse
// @Failure 500 {object} response.APIResponse
// @Router /api/v1/{tenant_slug}/leagues/{id}/featured [put]
func (h *Handler) SetLeagueFeatured(c *fiber.Ctx) error {
	companyID := c.Locals("company_id").(domain.ValidInt64)
	if !companyID.Valid {
		h.mongoLoggerSvc.Error("invalid company id")
		return fiber.NewError(fiber.StatusBadRequest, "invalid company id")
	}
	leagueIdStr := c.Params("id")
	if leagueIdStr == "" {
		return fiber.NewError(fiber.StatusBadRequest, "Missing league id")
	}
	leagueId, err := strconv.ParseInt(leagueIdStr, 10, 64)
	if err != nil {
		return fiber.NewError(fiber.StatusBadRequest, "invalid league id")
	}

	queryLogFields := []zap.Field{
		zap.Int64("company_id", companyID.Value),
		zap.Bool("company_valid", companyID.Valid),
		zap.String("league_id", leagueIdStr),
	}
	var req SetLeagueAsFeatured
	if err := c.BodyParser(&req); err != nil {
		h.BadRequestLogger().Info("SetLeagueFeaturedReq failed to parse request body", append(queryLogFields, zap.Error(err))...)
		return fiber.NewError(fiber.StatusBadRequest, "Failed to parse request body:"+err.Error())
	}

	valErrs, ok := h.validator.Validate(c, req)
	queryLogFields = append(queryLogFields, zap.Bool("is_featured", req.IsFeatured))
	if !ok {
		var errMsg string
		for field, msg := range valErrs {
			errMsg += fmt.Sprintf("%s: %s; ", field, msg)
		}
		h.BadRequestLogger().Info("Failed to validate SetLeagueFeaturedReq", append(queryLogFields, zap.Error(err))...)
		return fiber.NewError(fiber.StatusBadRequest, errMsg)

	}
	err = h.leagueSvc.SaveLeagueSettings(c.Context(), domain.CreateLeagueSettings{
		LeagueID:  leagueId,
		CompanyID: companyID.Value,
		IsFeatured: domain.ValidBool{
			Value: req.IsFeatured,
			Valid: true,
		},
	})
	if err != nil {
		h.InternalServerErrorLogger().Error("Failed to update league", append(queryLogFields, zap.Error(err))...)
		return fiber.NewError(fiber.StatusInternalServerError, "Failed to update league:"+err.Error())
	}

	h.SuccessResLogger().Info("League Featured has been successfully updated", queryLogFields...)
	return response.WriteJSON(c, fiber.StatusOK, "League updated successfully", nil, nil)
}

func (h *Handler) UpdateGlobalLeagueSetting(c *fiber.Ctx) error {
	leagueIdStr := c.Params("id")
	if leagueIdStr == "" {
		return fiber.NewError(fiber.StatusBadRequest, "Missing league id")
	}
	leagueId, err := strconv.ParseInt(leagueIdStr, 10, 64)
	if err != nil {
		return fiber.NewError(fiber.StatusBadRequest, "invalid league id")
	}

	var req domain.UpdateLeagueSettingsReq

	if err := c.BodyParser(&req); err != nil {
		h.BadRequestLogger().Info("UpdateLeagueSettingsReq failed to parse request body", zap.String("league_id", leagueIdStr), zap.Error(err))
		return fiber.NewError(fiber.StatusBadRequest, "Failed to parse request body:"+err.Error())
	}

	valErrs, ok := h.validator.Validate(c, req)
	if !ok {
		var errMsg string
		for field, msg := range valErrs {
			errMsg += fmt.Sprintf("%s: %s; ", field, msg)
		}
		h.BadRequestLogger().Info("Failed to validate UpdateLeagueSettingsReq", zap.Error(err))
		return fiber.NewError(fiber.StatusBadRequest, errMsg)

	}

	err = h.leagueSvc.UpdateGlobalLeagueSettings(c.Context(), domain.UpdateGlobalLeagueSettings{
		ID:                leagueId,
		DefaultIsActive:   domain.ConvertBoolPtr(req.IsActive),
		DefaultIsFeatured: domain.ConvertBoolPtr(req.IsFeatured),
	})

	if err != nil {
		h.InternalServerErrorLogger().Error("Failed to update league", zap.Error(err), zap.String("leagueId", leagueIdStr))
		return fiber.NewError(fiber.StatusInternalServerError, "Failed to update league:"+err.Error())
	}
	return response.WriteJSON(c, fiber.StatusOK, "League updated successfully", nil, nil)

}