use pikl_test_macros::pikl_tests;

// ---------------------------------------------------------------------------
// Filter tests
// ---------------------------------------------------------------------------

pikl_tests! {
    filter mod fuzzy_basics {
        items: ["apple", "banana", "cherry"];

        test empty_query_returns_all {
            query: ""
            matches: ["apple", "banana", "cherry"]
        }

        test no_results {
            query: "xyz"
            matches: []
        }

        test substring_match {
            query: "ban"
            matches: ["banana"]
        }
    }

    filter mod empty_items {
        items: [];

        test query_on_empty {
            query: "test"
            matches: []
        }

        test empty_query_on_empty {
            query: ""
            matches: []
        }
    }
}

// ---------------------------------------------------------------------------
// Navigation tests
// ---------------------------------------------------------------------------

pikl_tests! {
    nav mod basic_movement {
        viewport: { height: 5, count: 10 };

        test initial_state {
            actions: []
            cursor: 0
            offset: 0
        }

        test move_down_once {
            actions: [move-down]
            cursor: 1
            offset: 0
        }

        test move_down_past_viewport {
            actions: [move-down, move-down, move-down, move-down, move-down]
            cursor: 5
            offset: 1
        }

        test move_up_at_top_stays {
            actions: [move-up]
            cursor: 0
            offset: 0
        }

        test move_down_then_up {
            actions: [move-down, move-down, move-up]
            cursor: 1
            offset: 0
        }
    }

    nav mod jumps {
        viewport: { height: 5, count: 20 };

        test move_to_top {
            actions: [move-down, move-down, move-down, move-to-top]
            cursor: 0
            offset: 0
        }

        test move_to_bottom {
            actions: [move-to-bottom]
            cursor: 19
            offset: 15
        }

        test page_down_from_top {
            actions: [page-down]
            cursor: 5
            offset: 1
        }
    }

    nav mod small_list {
        viewport: { height: 10, count: 3 };

        test move_to_bottom_small {
            actions: [move-to-bottom]
            cursor: 2
            offset: 0
        }

        test at_bottom_stays {
            actions: [move-down, move-down, move-down]
            cursor: 2
            offset: 0
        }
    }

    nav mod empty_list {
        viewport: { height: 5, count: 0 };

        test movement_on_empty {
            actions: [move-down, move-up, page-down, page-up]
            cursor: 0
            offset: 0
        }
    }

    nav mod half_page {
        viewport: { height: 10, count: 30 };

        test half_page_down_from_top {
            actions: [half-page-down]
            cursor: 5
            offset: 0
        }

        test half_page_up_from_middle {
            actions: [half-page-down, half-page-down, half-page-up]
            cursor: 5
            offset: 1
        }

        test half_page_down_clamps_at_bottom {
            actions: [half-page-down, half-page-down, half-page-down,
                      half-page-down, half-page-down, half-page-down]
            cursor: 29
        }

        test half_page_up_clamps_at_top {
            actions: [half-page-down, half-page-up, half-page-up]
            cursor: 0
            offset: 0
        }
    }
}

// ---------------------------------------------------------------------------
// Menu tests
// ---------------------------------------------------------------------------

pikl_tests! {
    menu mod selection {
        items: ["alpha", "bravo", "charlie", "delta"];

        test confirm_first_item {
            actions: [confirm]
            selected: "alpha"
        }

        test move_down_and_confirm {
            actions: [move-down, confirm]
            selected: "bravo"
        }

        test move_to_third {
            actions: [move-down, move-down, confirm]
            selected: "charlie"
        }

        test move_to_last {
            actions: [move-down, move-down, move-down, confirm]
            selected: "delta"
        }

        test cancel_result {
            actions: [cancel]
            cancelled
        }
    }

    menu mod filter_then_select {
        items: ["alpha", "beta", "banana"];

        test filter_and_confirm {
            actions: [filter "ban", confirm]
            selected: "banana"
        }

        test filter_no_match_then_cancel {
            actions: [filter "zzz", cancel]
            cancelled
        }
    }

    menu mod dynamic_items {
        items: ["alpha", "beta"];

        test add_then_filter_then_confirm {
            actions: [add-items ["zephyr"], filter "zep", confirm]
            selected: "zephyr"
        }
    }

    menu mod sender_drop {
        items: ["alpha"];

        test drop_sender_cancels {
            actions: []
            cancelled
        }
    }

    menu mod pipeline_queries {
        items: ["error_log", "warning_temp", "info_log", "debug_temp"];

        test exact_filter {
            actions: [filter "'log", confirm]
            selected: "error_log"
        }

        test exact_then_inverse {
            actions: [filter "'log | !error", confirm]
            selected: "info_log"
        }

        test cancel_pipeline {
            actions: [filter "'xyz", cancel]
            cancelled
        }
    }

    menu mod mode_switching {
        items: ["alpha", "bravo"];

        test set_mode_and_confirm {
            actions: [set-mode-normal, set-mode-insert, filter "bra", confirm]
            selected: "bravo"
        }
    }

    menu mod regex_pipeline {
        items: ["item-001", "item-abc", "item-123"];

        test regex_filter_confirm {
            actions: [filter "/[0-9]+/", confirm]
            selected: "item-001"
        }
    }

    menu mod inverse_fuzzy {
        items: ["alpha", "bravo"];

        test exclude_alpha {
            actions: [filter "!alpha", confirm]
            selected: "bravo"
        }
    }

    menu mod three_stage {
        items: ["error_log_123", "warning_temp_456", "info_log_789", "debug_temp_012"];

        test full_pipeline {
            actions: [filter "'log | !error | /[0-9]+/", confirm]
            selected: "info_log_789"
        }
    }

    menu mod half_page_menu {
        items: ["a","b","c","d","e","f","g","h","i","j"];

        test half_page_then_confirm {
            actions: [half-page-down, confirm]
            // viewport height=50, half=25, clamps to last item (index 9)
            selected: "j"
        }
    }

    nav mod half_page_small_height {
        viewport: { height: 2, count: 10 };

        test half_page_moves_one {
            actions: [half-page-down]
            cursor: 1
            offset: 0
        }
    }
}