#!/usr/bin/env bash

set -euo pipefail

repo_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
state_home="$(mktemp -d /tmp/panama-home-phone-settings-state.XXXXXX)"
source_config_path="$repo_dir/config/dot/quickshell"
config_path="$state_home/quickshell"
test_bin="$state_home/bin"
shell_log="$state_home/quickshell.log"
flatpak_log="$state_home/flatpak.log"

cleanup_bootstrap() {
    rm -rf "$state_home"
}
trap cleanup_bootstrap EXIT

mkdir -p "$test_bin"
cp -a "$source_config_path" "$config_path"
: >"$flatpak_log"

cat >"$config_path/scripts/panama-home-assistant" <<'EOF'
#!/usr/bin/env bash
set -euo pipefail

case "${1:-}" in
    catalog)
        printf '%s\n' '{"ok":false,"error":"test-helper"}'
        ;;
    toggle|brightness)
        printf '%s\n' '{"ok":true}'
        ;;
esac
EOF
chmod +x "$config_path/scripts/panama-home-assistant"

cat >"$test_bin/hyprctl" <<'EOF'
#!/usr/bin/env bash
set -euo pipefail

if [[ "${1:-}" == "-j" && "${2:-}" == "monitors" ]]; then
    printf '%s\n' '[{"focused":true,"name":"TEST-1","description":"Home and Phone contract","width":1920,"height":1080,"refreshRate":60,"scale":1,"currentFormat":"XRGB8888","colorManagementPreset":"srgb","vrr":false}]'
    exit 0
fi
if [[ "${1:-}" == "keyword" ]]; then
    exit 0
fi
exec /usr/sbin/hyprctl "$@"
EOF
chmod +x "$test_bin/hyprctl"

cat >"$test_bin/flatpak" <<'EOF'
#!/usr/bin/env bash
set -euo pipefail

printf '%s\n' "$*" >>"$PANAMA_FLATPAK_LOG"
if [[ "${1:-}" == "info" && "${2:-}" == "app.bluebubbles.BlueBubbles" ]]; then
    exit 0
fi
exit 97
EOF
chmod +x "$test_bin/flatpak"

fail() {
    printf 'home phone settings contract: %s\n' "$1" >&2
    exit 1
}

assert_contains() {
    local needle="$1"
    local file="$2"
    rg -Fq "$needle" "$file" || fail "$file is missing: $needle"
}

home_page="$repo_dir/config/dot/quickshell/modules/settings/HomePhonePage.qml"
favorite_card="$repo_dir/config/dot/quickshell/modules/settings/HomeFavoriteCard.qml"
available_row="$repo_dir/config/dot/quickshell/modules/settings/AvailableLightRow.qml"
system_settings="$repo_dir/config/dot/quickshell/services/SystemSettings.qml"

[[ -f "$home_page" ]] || fail 'HomePhonePage.qml is missing'
[[ -f "$favorite_card" ]] || fail 'HomeFavoriteCard.qml is missing'
[[ -f "$available_row" ]] || fail 'AvailableLightRow.qml is missing'
assert_contains 'SettingsPage {' "$home_page"
assert_contains 'title: "Home & Phone"' "$home_page"
assert_contains 'lede: "Choose what appears in Control Center and keep phone continuity close at hand."' "$home_page"
if rg -q '^\s*Flickable \{' "$home_page"; then
    fail 'HomePhonePage.qml still owns a copied Flickable scaffold'
fi
assert_contains 'Connected · ' "$home_page"
assert_contains 'Last update unavailable · showing saved controls' "$home_page"
assert_contains 'Authentication required' "$home_page"
assert_contains 'Home Assistant is not configured' "$home_page"
assert_contains 'HomePreferences.setAlias' "$home_page"
assert_contains 'HomePreferences.move' "$home_page"
assert_contains 'HomePreferences.remove' "$home_page"
assert_contains 'HomePreferences.add' "$home_page"
assert_contains 'HomePreferences.retrySave' "$home_page"
assert_contains 'Choose lights below to build your Control Center shelf.' "$home_page"
assert_contains 'All discovered lights are already selected' "$home_page"
assert_contains 'No lights discovered' "$home_page"
assert_contains 'No lights match that search' "$home_page"
assert_contains 'Opens BlueBubbles' "$home_page"
[[ "$(rg -Fc 'required property var modelData' "$home_page")" -ge 2 ]] \
    || fail 'HomePhonePage.qml does not bind both reusable delegates to modelData'
if rg -Fq 'index: model.index' "$home_page"; then
    fail 'HomePhonePage.qml reads an undefined model.index instead of the delegate index'
fi
if rg -qi 'bearer|api/states' "$home_page"; then
    fail 'HomePhonePage.qml crosses the Home Assistant REST boundary'
fi
assert_contains 'signal aliasCommitted(string id, string alias)' "$favorite_card"
assert_contains 'signal removeRequested(string id)' "$favorite_card"
assert_contains 'signal moveRequested(string id, int targetIndex)' "$favorite_card"
assert_contains 'text: "↑"' "$favorite_card"
assert_contains 'text: "↓"' "$favorite_card"
assert_contains 'enabled: root.canMoveEarlier' "$favorite_card"
assert_contains 'enabled: root.canMoveLater' "$favorite_card"
if rg -Fq 'DragHandler {' "$favorite_card"; then
    fail 'Home light cards still expose the broken drag affordance'
fi
assert_contains 'canMoveEarlier: index > 0' "$home_page"
assert_contains 'canMoveLater: index < favoritesGrid.count - 1' "$home_page"
assert_contains 'onEditingFinished:' "$favorite_card"
assert_contains 'text: "Control Center"' "$favorite_card"
assert_contains 'activeFocusOnTab: true' "$favorite_card"
assert_contains 'signal addRequested(string id)' "$available_row"
assert_contains 'activeFocusOnTab: true' "$available_row"
assert_contains 'readonly property bool bluebubblesAvailable: root.bluebubblesDetected' "$system_settings"
assert_contains 'command: ["flatpak", "info", "app.bluebubbles.BlueBubbles"]' "$system_settings"
assert_contains '"bluebubbles": ["flatpak", "run", "app.bluebubbles.BlueBubbles"]' "$system_settings"

qs_for_test() {
    PATH="$test_bin:$PATH" QS_CONFIG_PATH="$config_path" XDG_STATE_HOME="$state_home" \
        PANAMA_FLATPAK_LOG="$flatpak_log" qs -p "$config_path" "$@"
}

stop_test_shell() {
    qs_for_test kill >/dev/null 2>&1 || true
    for _ in $(seq 1 80); do
        if ! qs_for_test list 2>/dev/null | rg '^Instance ' >/dev/null \
                && ! qs_for_test ipc show >/dev/null 2>&1; then
            return 0
        fi
        sleep 0.1
    done
    return 1
}

cleanup() {
    qs_for_test ipc call settings close >/dev/null 2>&1 || true
    if stop_test_shell; then
        rm -rf "$state_home"
    else
        printf 'home phone settings contract: branch shell did not stop; retained %s\n' \
            "$state_home" >&2
    fi
}
trap cleanup EXIT

start_test_shell() {
    stop_test_shell || fail 'pre-existing branch shell did not stop cleanly'
    for _attempt in 1 2; do
        qs_for_test --daemonize >"$shell_log" 2>&1
        for _ in $(seq 1 80); do
            if qs_for_test ipc show 2>/dev/null | rg '^target settings-system$' >/dev/null; then
                return
            fi
            sleep 0.1
        done
        stop_test_shell || fail 'failed branch-shell attempt did not stop cleanly'
    done
    sed -n '1,240p' "$shell_log" >&2
    fail 'isolated branch shell did not start'
}

start_test_shell
qs_for_test ipc call home-assistant fixture ready >/dev/null
qs_for_test ipc call settings page home-phone >/dev/null

status='{}'
for _ in $(seq 1 40); do
    status="$(qs_for_test ipc call settings status | jq -c .)"
    if jq -e '.page == "home-phone" and .discoveredCount == 7 and .selectedCount == 7' \
        <<<"$status" >/dev/null; then
        break
    fi
    sleep 0.1
done
jq -e '
    .open == true and
    .page == "home-phone" and
    .discoveredCount == 7 and
    .selectedCount == 7 and
    .homePhone.availableLightIds == [] and
    .homePhone.availableEmptyText == "All discovered lights are already selected"
' \
    <<<"$status" >/dev/null || fail "Home & Phone diagnostics are incomplete: $status"

qs_for_test ipc call home-assistant fixture available-extra >/dev/null
available_status='{}'
for _ in $(seq 1 40); do
    available_status="$(qs_for_test ipc call settings status | jq -c .)"
    if jq -e '
        .discoveredCount == 8 and
        .selectedCount == 7 and
        .homePhone.availableLightIds == ["light.fixture_guest"]
    ' <<<"$available_status" >/dev/null; then
        break
    fi
    sleep 0.1
done
jq -e '
    .discoveredCount == 8 and
    .selectedCount == 7 and
    .homePhone.availableLightIds == ["light.fixture_guest"]
' <<<"$available_status" >/dev/null \
    || fail "an unselected fixture light was not the only available row: $available_status"

qs_for_test ipc call home-assistant fixture stale-authentication >/dev/null
authentication_status='{}'
for _ in $(seq 1 40); do
    authentication_status="$(qs_for_test ipc call settings status | jq -c .)"
    if jq -e '
        .discoveredCount == 7 and
        .selectedCount == 7 and
        .homePhone.homeStatus == "Authentication required"
    ' <<<"$authentication_status" >/dev/null; then
        break
    fi
    sleep 0.1
done
jq -e '
    .discoveredCount == 7 and
    .selectedCount == 7 and
    .homePhone.homeStatus == "Authentication required"
' <<<"$authentication_status" >/dev/null \
    || fail "stale authentication did not retain actionable copy: $authentication_status"

qs_for_test ipc call home-assistant fixture stale-not-configured >/dev/null
not_configured_status='{}'
for _ in $(seq 1 40); do
    not_configured_status="$(qs_for_test ipc call settings status | jq -c .)"
    if jq -e '
        .discoveredCount == 7 and
        .selectedCount == 7 and
        .homePhone.homeStatus == "Home Assistant is not configured"
    ' <<<"$not_configured_status" >/dev/null; then
        break
    fi
    sleep 0.1
done
jq -e '
    .discoveredCount == 7 and
    .selectedCount == 7 and
    .homePhone.homeStatus == "Home Assistant is not configured"
' <<<"$not_configured_status" >/dev/null \
    || fail "stale not-configured state did not retain actionable copy: $not_configured_status"

qs_for_test ipc call home-assistant fixture unavailable >/dev/null
empty_status='{}'
for _ in $(seq 1 40); do
    empty_status="$(qs_for_test ipc call settings status | jq -c .)"
    if jq -e '
        .discoveredCount == 0 and
        .selectedCount == 0 and
        .homePhone.homeStatus == "Home Assistant is not configured" and
        .homePhone.availableLightIds == [] and
        .homePhone.availableEmptyText == "No lights discovered"
    ' <<<"$empty_status" >/dev/null; then
        break
    fi
    sleep 0.1
done
jq -e '
    .discoveredCount == 0 and
    .selectedCount == 0 and
    .homePhone.homeStatus == "Home Assistant is not configured" and
    .homePhone.availableLightIds == [] and
    .homePhone.availableEmptyText == "No lights discovered"
' <<<"$empty_status" >/dev/null \
    || fail "an empty catalog did not render its distinct copy: $empty_status"

system_status="$(qs_for_test ipc call settings-system status | jq -c .)"
jq -e '.bluebubblesAvailable == true' <<<"$system_status" >/dev/null \
    || fail "BlueBubbles availability was not exposed: $system_status"

shell_pid="$(qs_for_test list | awk '/Process ID:/ { print $3; exit }')"
[[ "$shell_pid" =~ ^[0-9]+$ ]] || fail 'could not identify the branch shell process'
for _ in $(seq 1 40); do
    if /usr/sbin/hyprctl -j clients | jq -e --argjson pid "$shell_pid" \
        '[.[] | select(.pid == $pid and .title == "Panama Settings" and .floating == false)] | length == 1' >/dev/null; then
        break
    fi
    sleep 0.1
done
/usr/sbin/hyprctl -j clients | jq -e --argjson pid "$shell_pid" \
    '[.[] | select(.pid == $pid and .title == "Panama Settings" and .floating == false)] | length == 1' >/dev/null \
    || fail 'the branch shell did not own exactly one tiled Panama Settings client'

if [[ -n "${PANAMA_TEST_SCREENSHOT_PATH:-}" ]]; then
    geometry="$(/usr/sbin/hyprctl -j clients | jq -r --argjson pid "$shell_pid" \
        '.[] | select(.pid == $pid and .title == "Panama Settings") | "\(.at[0]),\(.at[1]) \(.size[0])x\(.size[1])"')"
    [[ -n "$geometry" ]] || fail 'could not resolve the Settings client geometry'
    grim -g "$geometry" "$PANAMA_TEST_SCREENSHOT_PATH"
fi

rg -Fxq 'info app.bluebubbles.BlueBubbles' "$flatpak_log" \
    || fail 'the fixed BlueBubbles availability probe did not run'
if rg -q '^run ' "$flatpak_log"; then
    fail 'the contract started BlueBubbles'
fi
if find "$state_home" -name panama-home.json -print -quit | rg -q .; then
    fail 'the read-only fixture route wrote Home preferences'
fi

trap - EXIT
cleanup
[[ ! -e "$state_home" ]] || fail 'temporary Home & Phone state was not removed after shell exit'
printf 'home phone settings contract: PASS\n'
