package resolvespec

import (
	"testing"

	"github.com/bitechdev/ResolveSpec/pkg/common"
)

type nullAsZeroModel struct {
	Inactive int    `json:"inactive" bun:"inactive"`
	Name     string `json:"name" bun:"name"`
}

func TestNullAsZero_ResolveSpec(t *testing.T) {
	model := nullAsZeroModel{}
	tests := []struct {
		name    string
		enabled bool
		filter  common.FilterOption
		want    string
	}{
		{"default off, zero", false, common.FilterOption{Column: "inactive", Operator: "eq", Value: float64(0)}, `"t"."inactive" = ?`},
		{"on, zero", true, common.FilterOption{Column: "inactive", Operator: "eq", Value: float64(0)}, `("t"."inactive" = ? OR "t"."inactive" IS NULL)`},
		{"on, int zero", true, common.FilterOption{Column: "inactive", Operator: "eq", Value: 0}, `("t"."inactive" = ? OR "t"."inactive" IS NULL)`},
		{"on, positive", true, common.FilterOption{Column: "inactive", Operator: "eq", Value: float64(5)}, `"t"."inactive" = ?`},
		{"on, string column", true, common.FilterOption{Column: "name", Operator: "eq", Value: float64(0)}, `"t"."name" = ?`},
		{"on, neq untouched", true, common.FilterOption{Column: "inactive", Operator: "neq", Value: float64(0)}, `"t"."inactive" != ?`},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			h := &Handler{}
			if tt.enabled {
				h.SetNullAsZero(true)
			}
			got, _ := h.buildFilterConditionAlias(tt.filter, model, "t")
			if got != tt.want {
				t.Fatalf("got %q, want %q", got, tt.want)
			}
		})
	}
}