#!/usr/bin/env bats
# install_codex_skills.sh 测试套件

setup() {
    export TEST_DIR="$(mktemp -d)"
    export PLAYBOOK_ROOT="$(cd "$BATS_TEST_DIRNAME/../.." && pwd)"
    export SCRIPT_PATH="$PLAYBOOK_ROOT/scripts/install_codex_skills.sh"

    # 创建临时 HOME 避免污染真实环境
    export ORIGINAL_HOME="$HOME"
    export HOME="$TEST_DIR/home"
    mkdir -p "$HOME"

    export CODEX_HOME="$HOME/.codex"
    export SKILLS_DST_ROOT="$CODEX_HOME/skills"

    cd "$TEST_DIR"
}

teardown() {
    export HOME="$ORIGINAL_HOME"

    if [ -n "$TEST_DIR" ] && [ -d "$TEST_DIR" ]; then
        chmod -R u+w "$TEST_DIR" 2>/dev/null || true
        rm -rf "$TEST_DIR"
    fi
}

skip_if_no_skills() {
    if [ ! -d "$PLAYBOOK_ROOT/codex/skills" ]; then
        skip "No codex/skills directory found"
    fi
}

first_skill_name() {
    ls -1 "$PLAYBOOK_ROOT/codex/skills" 2>/dev/null | head -n 1
}

# ==============================================
# 基础功能测试
# ==============================================

@test "install_codex_skills.sh 脚本存在且可执行" {
    [ -f "$SCRIPT_PATH" ]
}

@test "安装 - 创建 skills 目录" {
    skip_if_no_skills

    [ ! -d "$SKILLS_DST_ROOT" ]

    sh "$SCRIPT_PATH" -all

    [ -d "$SKILLS_DST_ROOT" ]
}

@test "安装 - 复制 skill 目录" {
    skip_if_no_skills

    sh "$SCRIPT_PATH" -all

    SKILL_DIRS=$(find "$SKILLS_DST_ROOT" -mindepth 1 -maxdepth 1 -type d)
    [ -n "$SKILL_DIRS" ]

    for dir in $SKILL_DIRS; do
        [ -f "$dir/SKILL.md" ]
    done
}

@test "安装 - 指定单个 skill" {
    skip_if_no_skills

    SKILL_NAME="$(first_skill_name)"
    [ -n "$SKILL_NAME" ]

    sh "$SCRIPT_PATH" -skills "$SKILL_NAME"

    [ -d "$SKILLS_DST_ROOT/$SKILL_NAME" ]
    COUNT=$(find "$SKILLS_DST_ROOT" -mindepth 1 -maxdepth 1 -type d | wc -l)
    [ "$COUNT" -eq 1 ]
}

@test "备份 - 同名 skill 目录会创建备份" {
    skip_if_no_skills

    SKILL_NAME="$(first_skill_name)"
    [ -n "$SKILL_NAME" ]

    mkdir -p "$SKILLS_DST_ROOT/$SKILL_NAME"
    echo "marker" > "$SKILLS_DST_ROOT/$SKILL_NAME/marker.txt"

    sh "$SCRIPT_PATH" -skills "$SKILL_NAME"

    BACKUP_DIRS=$(find "$SKILLS_DST_ROOT" -maxdepth 1 -type d -name "$SKILL_NAME.bak.*")
    [ -n "$BACKUP_DIRS" ]
}

@test "错误处理 - 指定不存在 skill 报错" {
    skip_if_no_skills

    run sh "$SCRIPT_PATH" -skills nonexistent-skill

    [ "$status" -ne 0 ]
}

@test "幂等性 - 多次安装结果一致" {
    skip_if_no_skills

    sh "$SCRIPT_PATH" -all
    CHECKSUM1=$(find "$SKILLS_DST_ROOT" -type f -name "SKILL.md" ! -path "$SKILLS_DST_ROOT"'/*.bak.*/*' -exec md5sum {} \; | sort | md5sum)

    sh "$SCRIPT_PATH" -all
    CHECKSUM2=$(find "$SKILLS_DST_ROOT" -type f -name "SKILL.md" ! -path "$SKILLS_DST_ROOT"'/*.bak.*/*' -exec md5sum {} \; | sort | md5sum)

    [ "$CHECKSUM1" = "$CHECKSUM2" ]
}