package params

import (
	"github.com/gin-gonic/gin"
	"github.com/mlogclub/simple/common/strs/strcase"
	"github.com/mlogclub/simple/sqls"
)

type QueryParams struct {
	Ctx *gin.Context
	sqls.Cnd
}

func NewQueryParams(ctx *gin.Context) *QueryParams {
	return &QueryParams{Ctx: ctx}
}

func (q *QueryParams) getValueByColumn(column string) string {
	if q.Ctx == nil {
		return ""
	}
	return FormValue(q.Ctx, strcase.ToLowerCamel(column))
}

func (q *QueryParams) EqByReq(column string) *QueryParams {
	if value := q.getValueByColumn(column); len(value) > 0 {
		q.Eq(column, value)
	}
	return q
}

func (q *QueryParams) NotEqByReq(column string) *QueryParams {
	if value := q.getValueByColumn(column); len(value) > 0 {
		q.NotEq(column, value)
	}
	return q
}

func (q *QueryParams) GtByReq(column string) *QueryParams {
	if value := q.getValueByColumn(column); len(value) > 0 {
		q.Gt(column, value)
	}
	return q
}

func (q *QueryParams) GteByReq(column string) *QueryParams {
	if value := q.getValueByColumn(column); len(value) > 0 {
		q.Gte(column, value)
	}
	return q
}

func (q *QueryParams) LtByReq(column string) *QueryParams {
	if value := q.getValueByColumn(column); len(value) > 0 {
		q.Lt(column, value)
	}
	return q
}

func (q *QueryParams) LteByReq(column string) *QueryParams {
	if value := q.getValueByColumn(column); len(value) > 0 {
		q.Lte(column, value)
	}
	return q
}

func (q *QueryParams) LikeByReq(column string) *QueryParams {
	if value := q.getValueByColumn(column); len(value) > 0 {
		q.Like(column, value)
	}
	return q
}

func (q *QueryParams) PageByReq() *QueryParams {
	if q.Ctx == nil {
		return q
	}
	paging := GetPaging(q.Ctx)
	q.Page(paging.Page, paging.Limit)
	return q
}

func (q *QueryParams) Asc(column string) *QueryParams {
	q.Orders = append(q.Orders, sqls.OrderByCol{Column: column, Asc: true})
	return q
}

func (q *QueryParams) Desc(column string) *QueryParams {
	q.Orders = append(q.Orders, sqls.OrderByCol{Column: column, Asc: false})
	return q
}

func (q *QueryParams) Limit(limit int) *QueryParams {
	q.Page(1, limit)
	return q
}

func (q *QueryParams) Page(page, limit int) *QueryParams {
	if q.Paging == nil {
		q.Paging = &sqls.Paging{Page: page, Limit: limit}
	} else {
		q.Paging.Page = page
		q.Paging.Limit = limit
	}
	return q
}