#![cfg(unix)]

mod common;
use common::run_pikl;

use pikl_test_macros::pikl_tests;

pikl_tests! {
    headless mod basic_selection {
        items: ["alpha", "beta", "charlie"];

        test confirm_first {
            actions: [confirm]
            stdout: "alpha"
            exit: 0
        }

        test move_down_and_confirm {
            actions: [move-down, confirm]
            stdout: "beta"
            exit: 0
        }

        test move_to_third {
            actions: [move-down, move-down, confirm]
            stdout: "charlie"
            exit: 0
        }

        test cancel_exits_1 {
            actions: [cancel]
            stdout: ""
            exit: 1
        }

        test empty_script_cancels {
            actions: []
            exit: 1
        }
    }

    headless mod filtering {
        items: ["alpha", "beta", "banana"];

        test filter_then_confirm {
            actions: [filter "ban", confirm]
            stdout: "banana"
            exit: 0
        }
    }

    headless mod errors {
        items: ["one", "two"];

        test invalid_action {
            actions: [raw "bogus"]
            stderr contains: "unknown action"
            exit: 2
        }

        test actions_after_show_ui {
            actions: [raw "show-ui", raw "confirm"]
            stderr contains: "actions after show-ui"
            exit: 2
        }
    }

    // ── Demo scenario tests ──────────────────────────────
    // These cover the scenarios from examples/demo.sh so
    // we catch regressions in the demo workflows.

    headless mod demo_plain_text {
        items: [
            "apple", "banana", "cherry", "date",
            "elderberry", "fig", "grape", "honeydew"
        ];

        test confirm_first {
            actions: [confirm]
            stdout: "apple"
            exit: 0
        }

        test navigate_to_last {
            actions: [move-to-bottom, confirm]
            stdout: "honeydew"
            exit: 0
        }

        test filter_then_confirm {
            actions: [filter "cher", confirm]
            stdout: "cherry"
            exit: 0
        }

        test filter_narrows_to_one {
            actions: [filter "elder", confirm]
            stdout: "elderberry"
            exit: 0
        }

        test cancel {
            actions: [cancel]
            exit: 1
        }
    }

    headless mod demo_big_list {
        // Bare numbers parse as JSON numbers with empty labels,
        // so we prefix with "item-" to keep them as plain text.
        items: [
            "item-1", "item-2", "item-3", "item-4", "item-5",
            "item-6", "item-7", "item-8", "item-9", "item-10",
            "item-11", "item-12", "item-13", "item-14", "item-15",
            "item-16", "item-17", "item-18", "item-19", "item-20",
            "item-50", "item-100", "item-200", "item-499", "item-500"
        ];

        test confirm_first {
            actions: [confirm]
            stdout: "item-1"
            exit: 0
        }

        test move_to_bottom {
            actions: [move-to-bottom, confirm]
            stdout: "item-500"
            exit: 0
        }

        test filter_exact {
            actions: [filter "item-499", confirm]
            stdout: "item-499"
            exit: 0
        }

        test page_down_then_confirm {
            actions: [page-down, confirm]
            exit: 0
        }
    }

    headless mod demo_json_objects {
        items: [
            "{\"label\": \"Arch Linux\", \"category\": \"rolling\", \"init\": \"systemd\"}",
            "{\"label\": \"NixOS\", \"category\": \"rolling\", \"init\": \"systemd\"}",
            "{\"label\": \"Void Linux\", \"category\": \"rolling\", \"init\": \"runit\"}",
            "{\"label\": \"Debian\", \"category\": \"stable\", \"init\": \"systemd\"}",
            "{\"label\": \"Alpine\", \"category\": \"stable\", \"init\": \"openrc\"}",
            "{\"label\": \"Fedora\", \"category\": \"semi-rolling\", \"init\": \"systemd\"}",
            "{\"label\": \"Gentoo\", \"category\": \"rolling\", \"init\": \"openrc\"}"
        ];

        test confirm_first {
            actions: [confirm]
            stdout: "Arch Linux"
            exit: 0
        }

        test preserves_json_fields {
            actions: [confirm]
            stdout: "rolling"
            exit: 0
        }

        test filter_by_label {
            actions: [filter "Void", confirm]
            stdout: "Void Linux"
            exit: 0
        }

        test navigate_to_debian {
            actions: [move-down, move-down, move-down, confirm]
            stdout: "Debian"
            exit: 0
        }

        test filter_and_navigate {
            actions: [filter "Linux", move-down, confirm]
            stdout: "Void Linux"
            exit: 0
        }

        test cancel {
            actions: [cancel]
            exit: 1
        }
    }

    headless mod demo_custom_label_key {
        items: [
            "{\"name\": \"Neovim\", \"type\": \"editor\", \"lang\": \"C/Lua\"}",
            "{\"name\": \"Helix\", \"type\": \"editor\", \"lang\": \"Rust\"}",
            "{\"name\": \"Kakoune\", \"type\": \"editor\", \"lang\": \"C++\"}",
            "{\"name\": \"Emacs\", \"type\": \"editor\", \"lang\": \"Lisp\"}",
            "{\"name\": \"Vim\", \"type\": \"editor\", \"lang\": \"C\"}"
        ];
        label_key: "name";

        test confirm_first {
            actions: [confirm]
            stdout: "Neovim"
            exit: 0
        }

        test filter_by_name {
            actions: [filter "Hel", confirm]
            stdout: "Helix"
            exit: 0
        }

        test preserves_lang_field {
            actions: [move-down, confirm]
            stdout: "Rust"
            exit: 0
        }

        test navigate_to_last {
            actions: [move-to-bottom, confirm]
            stdout: "Vim"
            exit: 0
        }
    }

    headless mod demo_mixed_input {
        items: [
            "just a plain string",
            "{\"label\": \"a json object\", \"extra\": 42}",
            "another plain string",
            "{\"label\": \"second object\", \"extra\": 99}"
        ];

        test confirm_plain_text {
            actions: [confirm]
            stdout: "just a plain string"
            exit: 0
        }

        test confirm_json_object {
            actions: [move-down, confirm]
            stdout: "a json object"
            exit: 0
        }

        test json_preserves_extra {
            actions: [move-down, confirm]
            stdout: "42"
            exit: 0
        }

        test navigate_to_second_plain {
            actions: [move-down, move-down, confirm]
            stdout: "another plain string"
            exit: 0
        }

        test navigate_to_second_json {
            actions: [move-down, move-down, move-down, confirm]
            stdout: "second object"
            exit: 0
        }

        test filter_across_types {
            actions: [filter "plain", confirm]
            stdout: "just a plain string"
            exit: 0
        }
    }

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

        test half_page_down_confirm {
            actions: [raw "half-page-down", confirm]
            // headless viewport=50, half=25, clamps to last (idx 9) -> "j"
            stdout: "j"
            exit: 0
        }

        test set_mode_round_trip {
            actions: [raw "set-mode normal", raw "set-mode insert", confirm]
            stdout: "a"
            exit: 0
        }
    }

    headless mod multi_select_headless {
        items: ["alpha", "bravo", "charlie"];
        multi: true;

        test toggle_and_confirm {
            actions: [toggle-select, confirm]
            stdout: "alpha"
            exit: 0
        }

        test toggle_two_and_confirm {
            actions: [toggle-select, move-down, move-down, toggle-select, confirm]
            stdout: "alpha"
            exit: 0
        }

        test select_all_and_confirm {
            actions: [select-all, confirm]
            stdout: "alpha"
            exit: 0
        }

        test deselect_all_clears {
            actions: [toggle-select, deselect-all, confirm]
            // Falls back to cursor item
            stdout: "alpha"
            exit: 0
        }

        test without_multi_toggle_is_noop {
            // This test does NOT have multi: true (uses the shared fixture)
            // but toggle-select still just selects cursor on confirm
            actions: [toggle-select, confirm]
            stdout: "alpha"
            exit: 0
        }
    }

    headless mod pipeline_headless {
        items: ["error_log", "warning_temp", "info_log"];

        test pipeline_filter {
            actions: [filter "'log | !error", confirm]
            stdout: "info_log"
            exit: 0
        }
    }

    headless mod modifier_prefix {
        items: ["alpha", "beta", "gamma"];

        test shift_confirm_plain_output_unchanged {
            // Modifier prefixes don't affect plain text output.
            actions: [raw "+shift confirm"]
            stdout: "alpha"
            exit: 0
        }

        test unknown_modifier_errors {
            actions: [raw "+meta confirm"]
            stderr contains: "unknown modifier"
            exit: 2
        }

        test modifier_with_movement {
            // Modifiers on navigation don't change behavior,
            // but they should parse and not break anything.
            actions: [raw "+shift move-down", confirm]
            stdout: "beta"
            exit: 0
        }
    }
}