# Copyright (c) Microsoft Corporation.
# Licensed under the MIT License.

# Tests for azure.policy.fn.date_time_add
builtin: azure.policy.fn.date_time_add

cases:
  - note: add_one_day
    args: ["2024-01-15T12:00:00Z", "P1D"]
    want: "2024-01-16T12:00:00Z"

  - note: add_one_hour
    args: ["2024-01-15T12:00:00Z", "PT1H"]
    want: "2024-01-15T13:00:00Z"

  - note: add_thirty_minutes
    args: ["2024-01-15T12:00:00Z", "PT30M"]
    want: "2024-01-15T12:30:00Z"

  - note: add_negative_one_day
    args: ["2024-01-15T12:00:00Z", "-P1D"]
    want: "2024-01-14T12:00:00Z"

  - note: add_complex_duration
    args: ["2024-01-15T12:00:00Z", "P1DT2H30M"]
    want: "2024-01-16T14:30:00Z"

  - note: add_one_year_approx
    args: ["2024-01-01T00:00:00Z", "P1Y"]
    want: "2024-12-31T00:00:00Z"

  - note: add_zero_duration
    args: ["2024-06-15T10:30:00Z", "PT0S"]
    want: "2024-06-15T10:30:00Z"

  - note: invalid_base_datetime
    args: ["not-a-date", "P1D"]
    want_undefined: true

  - note: invalid_duration
    args: ["2024-01-15T12:00:00Z", "invalid"]
    want_undefined: true

  # Input without explicit timezone is treated as UTC; outputs are
  # normalized to ISO 8601 with an explicit timezone (`Z` for UTC).
  - note: datetime_without_timezone
    args: ["2024-01-15T12:00:00", "P1D"]
    want: "2024-01-16T12:00:00Z"

  - note: add_one_week
    args: ["2024-01-15T00:00:00Z", "P1W"]
    want: "2024-01-22T00:00:00Z"

  # Azure Policy normalizes all output to ISO 8601 T-separated format with
  # explicit timezone, regardless of input format.
  - note: space_separated_datetime
    args: ["2020-04-07 14:55:59", "P3D"]
    want: "2020-04-10T14:55:59Z"

  - note: space_separated_datetime_with_z
    args: ["2020-04-07 14:55:59Z", "P3D"]
    want: "2020-04-10T14:55:59Z"

  - note: space_separated_datetime_with_offset
    args: ["2020-04-07 14:55:59+05:30", "P1D"]
    want: "2020-04-08T14:55:59+05:30"

  - note: output_format_date_only
    args: ["2020-04-07T14:55:59Z", "P3Y2M", "yyyy-MM-dd"]
    want: "2023-06-06"

  - note: output_format_custom
    args: ["2024-01-15T12:00:00Z", "PT1H", "yyyy-MM-dd HH:mm:ss"]
    want: "2024-01-15 13:00:00"

  - note: output_format_with_k_utc
    args: ["2024-01-15T12:00:00Z", "P0D", "yyyy-MM-ddTHH:mm:ssK"]
    want: "2024-01-15T12:00:00Z"

  # Standard .NET format specifiers
  - note: output_standard_format_d
    args: ["2024-01-15T12:30:00Z", "P1D", "d"]
    want: "01/16/2024"

  - note: output_standard_format_G
    args: ["2024-01-15T12:30:00Z", "PT1H", "G"]
    want: "01/15/2024 13:30:00"

  - note: output_standard_format_o
    args: ["2024-01-15T12:00:00Z", "P0D", "o"]
    want: "2024-01-15T12:00:00.0000000Z"

  - note: output_standard_format_o_with_nanos
    args: ["2024-01-15T12:00:00.123456700Z", "P0D", "o"]
    want: "2024-01-15T12:00:00.1234567Z"

  - note: output_standard_format_u
    args: ["2024-01-15T12:00:00Z", "P0D", "u"]
    want: "2024-01-15 12:00:00Z"

  - note: output_standard_format_u_with_offset
    args: ["2024-01-15T12:00:00+05:30", "P0D", "u"]
    want: "2024-01-15 06:30:00Z"

  # When no explicit output format is provided, datetime output is normalized
  # to ISO 8601 T-separated form with timezone, regardless of input format.
  # Explicit third-argument formats may intentionally produce other forms
  # (for example, space-separated output). Fractional seconds are preserved
  # when non-zero.
  - note: roundtrip_iso_no_tz_with_frac
    args: ["2024-01-15T12:00:00.123", "P0D"]
    want: "2024-01-15T12:00:00.123Z"

  - note: roundtrip_iso_no_tz_with_frac_add
    args: ["2024-01-15T12:00:00.500", "P1D"]
    want: "2024-01-16T12:00:00.500Z"

  - note: roundtrip_space_no_tz_with_frac
    args: ["2024-01-15 12:00:00.456", "P0D"]
    want: "2024-01-15T12:00:00.456Z"

  - note: roundtrip_space_z_with_frac
    args: ["2024-01-15 12:00:00.789Z", "P0D"]
    want: "2024-01-15T12:00:00.789Z"

  - note: roundtrip_space_offset_with_frac
    args: ["2024-01-15 12:00:00.123+05:30", "P0D"]
    want: "2024-01-15T12:00:00.123+05:30"

  - note: roundtrip_no_frac_stays_clean
    args: ["2024-01-15T12:00:00", "P0D"]
    want: "2024-01-15T12:00:00Z"

  - note: roundtrip_rfc3339_utc_with_frac
    args: ["2024-01-15T12:00:00.123Z", "P0D"]
    want: "2024-01-15T12:00:00.123Z"

  - note: roundtrip_rfc3339_offset_with_frac
    args: ["2024-01-15T12:00:00.456+05:30", "P0D"]
    want: "2024-01-15T12:00:00.456+05:30"

  - note: roundtrip_rfc3339_utc_no_frac_stays_clean
    args: ["2024-01-15T12:00:00Z", "P0D"]
    want: "2024-01-15T12:00:00Z"

  - note: roundtrip_rfc3339_explicit_zero_offset
    args: ["2024-01-15T12:00:00+00:00", "P0D"]
    want: "2024-01-15T12:00:00Z"

  - note: roundtrip_rfc3339_explicit_zero_offset_with_frac
    args: ["2024-01-15T12:00:00.500+00:00", "P0D"]
    want: "2024-01-15T12:00:00.500Z"

  # Unknown single-char format specifier is a real error
  - note: unknown_format_specifier_q
    args: ["2024-01-15T12:00:00Z", "P0D", "q"]
    want_error: "unrecognised standard format specifier 'q'"

  - note: output_standard_format_U
    args: ["2024-01-15T12:00:00+05:30", "P0D", "U"]
    want: "Monday, 15 January 2024 06:30:00"

  - note: output_standard_format_s
    args: ["2024-01-15T12:00:00Z", "P0D", "s"]
    want: "2024-01-15T12:00:00"

  - note: output_standard_format_R
    args: ["2024-01-15T12:00:00+05:30", "P0D", "R"]
    want: "Mon, 15 Jan 2024 06:30:00 GMT"
