import { getType, interpretVar } from "../../interpretor";

describe("type", () => {
    describe("cast", () => {
        describe("cast of cast", () => {
            it("should be able to cast casted values", () => {
                expect(getType('cast(cast("123", number), string)', {})).toEqual("STRING");
            });
        });
        describe("integer", () => {
            it("cast integer to integer", () => {
                expect(getType("cast(10, integer)", {})).toEqual("INTEGER");
            });
            it("cast integer to number", () => {
                expect(getType("cast(42, number)", {})).toEqual("NUMBER");
            });
            it("cast integer to boolean", () => {
                expect(getType("cast(0, boolean)", {})).toEqual("BOOLEAN");
                expect(getType("cast(20, boolean)", {})).toEqual("BOOLEAN");
            });
            it("cast integer to integer", () => {
                expect(getType("cast(10, integer)", {})).toEqual("INTEGER");
            });
            it("cast integer to time", () => {
                // TODO
            });
            it("test cast integer to string", () => {
                expect(getType("cast(4 - 1, string)", {})).toEqual("STRING");
            });
        });
        describe("number", () => {
            it("cast number to integer", () => {
                // TODO
            });
            it("cast number to number", () => {
                expect(getType("cast(10.5, number)", {})).toEqual("NUMBER");
            });
            it("cast number to boolean", () => {
                expect(getType("cast(0, boolean)", {})).toEqual("BOOLEAN");
                expect(getType("cast(10.5, boolean)", {})).toEqual("BOOLEAN");
            });
            it("cast number to time", () => {
                // TODO
            });
            it("cast number to date", () => {
                // TODO
            });
            it("cast number to time_period", () => {
                // TODO/*  */
            });
            it("cast number to string", () => {
                expect(getType("cast(10.5, string)", {})).toEqual("STRING");
            });
            it("cast number to duration", () => {
                // TODO
            });
        });
        describe("boolean", () => {
            it("cast boolean to integer", () => {
                expect(getType("cast(false, integer)", {})).toEqual("INTEGER");
                expect(getType("cast(true, integer)", {})).toEqual("INTEGER");
            });
            it("cast boolean to number", () => {
                expect(getType("cast(false, number)", {})).toEqual("NUMBER");
                expect(getType("cast(true, number)", {})).toEqual("NUMBER");
            });
            it("cast boolean into boolean", () => {
                expect(getType("cast(false, boolean)", {})).toEqual("BOOLEAN");
                expect(getType("cast(true, boolean)", {})).toEqual("BOOLEAN");
            });
            it("cast boolean into time", () => {
                // TODO
            });
            it("cast boolean into date", () => {
                // TODO
            });
            it("cast boolean into time_period", () => {
                // TODO
            });
            it("cast boolean into string", () => {
                expect(getType("cast(false, string)", {})).toEqual("STRING");
                expect(getType("cast(true, string)", {})).toEqual("STRING");
            });
            it("cast boolean into duration", () => {
                // TODO
            });
        });
        describe("time", () => {
            // TODO
            it("cast time into integer", () => {});
            it("cast time into number", () => {});
            it("cast time into boolean", () => {});
            it("cast time into time", () => {});
            it("cast time into date", () => {});
            it("cast time into time_period", () => {});
            it("cast time into string", () => {});
            it("cast time into duration", () => {});
        });
        describe("date", () => {
            // TODO Complete tests
            it("cast date into integer", () => {});
            it("cast date into number", () => {});
            it("cast date into boolean", () => {});
            it("cast date into time", () => {});
            it("cast date into date", () => {});
            it("cast date into time_period", () => {});
            it("cast date into string", () => {
                // There's no date literal. We use a first cast to define the date.
                const aDate = interpretVar('cast("1998-07-12", date, "YYYY-MM-DD")', {}).resolve({});
                expect(getType('cast(aDate, string, "YYYY-DD-MM")', { aDate })).toEqual("STRING");
            });
            it("cast date into duration", () => {});
        });
        describe("time_period", () => {
            // TODO Complete tests
            it("cast time_period into integer", () => {});
            it("cast time_period into number", () => {});
            it("cast time_period into boolean", () => {});
            it("cast time_period into time", () => {});
            it("cast time_period into date", () => {});
            it("cast time_period into time_period", () => {});
            it("cast time_period into string", () => {});
            it("cast time_period into duration", () => {});
        });
    });
});