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

# 测试辅助函数
setup() {
    # 创建临时测试目录
    export TEST_DIR="$(mktemp -d)"
    export PLAYBOOK_ROOT="$(cd "$BATS_TEST_DIRNAME/../.." && pwd)"
    export SCRIPT_PATH="$PLAYBOOK_ROOT/scripts/vendor_playbook.sh"

    # 创建目标项目目录
    export TARGET_DIR="$(mktemp -d)"
    cd "$TARGET_DIR"
    git init -b main
    git config user.name "Test User"
    git config user.email "test@example.com"
}

teardown() {
    # 清理测试目录
    if [ -n "$TEST_DIR" ] && [ -d "$TEST_DIR" ]; then
        chmod -R u+w "$TEST_DIR" 2>/dev/null || true
        rm -rf "$TEST_DIR"
    fi
    if [ -n "$TARGET_DIR" ] && [ -d "$TARGET_DIR" ]; then
        chmod -R u+w "$TARGET_DIR" 2>/dev/null || true
        rm -rf "$TARGET_DIR"
    fi
}

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

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

@test "vendor_playbook.sh - 无参数时显示用法" {
    cd "$TARGET_DIR"

    run sh "$SCRIPT_PATH"

    [ "$status" -ne 0 ]
}

@test "vendor_playbook.sh - 单语言 vendoring (tsl)" {
    cd "$TARGET_DIR"

    sh "$SCRIPT_PATH" "$TARGET_DIR" tsl

    # 验证快照目录结构
    [ -d "docs/standards/playbook" ]
    [ -d "docs/standards/playbook/docs/common" ]
    [ -d "docs/standards/playbook/docs/tsl" ]
    [ -d "docs/standards/playbook/rulesets/tsl" ]
    [ -f "docs/standards/playbook/scripts/sync_standards.sh" ]
}

@test "vendor_playbook.sh - 多语言 vendoring (tsl cpp)" {
    cd "$TARGET_DIR"

    sh "$SCRIPT_PATH" "$TARGET_DIR" tsl cpp

    # 验证包含两种语言的文档
    [ -d "docs/standards/playbook/docs/tsl" ]
    [ -d "docs/standards/playbook/docs/cpp" ]
    [ -d "docs/standards/playbook/rulesets/tsl" ]
    [ -d "docs/standards/playbook/rulesets/cpp" ]
}

# ==============================================
# 自动同步测试
# ==============================================

@test "vendor_playbook.sh - 自动执行 sync_standards" {
    cd "$TARGET_DIR"

    sh "$SCRIPT_PATH" "$TARGET_DIR" tsl

    # 验证根目录已同步规则集
    [ -d ".agents/tsl" ]
    [ -f ".agents/tsl/index.md" ]
    [ -f ".gitattributes" ]
}

@test "vendor_playbook.sh - 多语言自动同步" {
    cd "$TARGET_DIR"

    sh "$SCRIPT_PATH" "$TARGET_DIR" tsl cpp

    # 验证两个规则集都已同步
    [ -d ".agents/tsl" ]
    [ -d ".agents/cpp" ]
    [ -f ".agents/index.md" ]
}

# ==============================================
# SOURCE.md 生成测试
# ==============================================

@test "vendor_playbook.sh - 生成 SOURCE.md" {
    cd "$TARGET_DIR"

    sh "$SCRIPT_PATH" "$TARGET_DIR" tsl

    [ -f "docs/standards/playbook/SOURCE.md" ]
    grep -q "Source:" docs/standards/playbook/SOURCE.md
    grep -q "Commit:" docs/standards/playbook/SOURCE.md
}

@test "vendor_playbook.sh - SOURCE.md 包含 commit hash" {
    cd "$TARGET_DIR"

    sh "$SCRIPT_PATH" "$TARGET_DIR" tsl

    # 验证包含 commit hash（40个十六进制字符）
    grep -E "[0-9a-f]{40}" docs/standards/playbook/SOURCE.md
}

@test "vendor_playbook.sh - SOURCE.md 包含时间戳" {
    cd "$TARGET_DIR"

    sh "$SCRIPT_PATH" "$TARGET_DIR" tsl

    # 验证包含日期格式 YYYY-MM-DD
    grep -E "[0-9]{4}-[0-9]{2}-[0-9]{2}" docs/standards/playbook/SOURCE.md
}

# ==============================================
# 裁剪功能测试
# ==============================================

@test "裁剪 - 仅包含指定语言的文档" {
    cd "$TARGET_DIR"

    sh "$SCRIPT_PATH" "$TARGET_DIR" tsl

    # 验证包含 TSL 文档
    [ -d "docs/standards/playbook/docs/tsl" ]

    # 验证不包含其他语言（如果原本有 Python）
    if [ -d "$PLAYBOOK_ROOT/docs/python" ]; then
        [ ! -d "docs/standards/playbook/docs/python" ]
    fi
}

@test "裁剪 - 始终包含 common 目录" {
    cd "$TARGET_DIR"

    sh "$SCRIPT_PATH" "$TARGET_DIR" tsl

    [ -d "docs/standards/playbook/docs/common" ]
    [ -f "docs/standards/playbook/docs/common/commit_message.md" ]
}

@test "裁剪 - 包含对应的模板文件" {
    cd "$TARGET_DIR"

    sh "$SCRIPT_PATH" "$TARGET_DIR" cpp

    # 验证包含 C++ 模板
    [ -d "docs/standards/playbook/templates/cpp" ]

    # 验证不包含 Python 模板（如果指定了 cpp）
    if [ -d "$PLAYBOOK_ROOT/templates/python" ]; then
        [ ! -d "docs/standards/playbook/templates/python" ]
    fi
}

@test "裁剪 - 包含通用 CI 模板" {
    cd "$TARGET_DIR"

    sh "$SCRIPT_PATH" "$TARGET_DIR" tsl

    [ -d "docs/standards/playbook/templates/ci" ]
}

# ==============================================
# 目标目录处理测试
# ==============================================

@test "目标目录 - 已存在时覆盖更新" {
    cd "$TARGET_DIR"

    # 首次 vendor
    sh "$SCRIPT_PATH" "$TARGET_DIR" tsl

    # 在快照中添加标记文件
    touch docs/standards/playbook/OLD_MARKER

    # 再次 vendor
    sh "$SCRIPT_PATH" "$TARGET_DIR" tsl

    # 验证旧标记不存在（已被覆盖）
    [ ! -f "docs/standards/playbook/OLD_MARKER" ]
}

@test "目标目录 - 创建必要的父目录" {
    cd "$TARGET_DIR"

    # 确保 docs/standards 不存在
    [ ! -d "docs/standards" ]

    sh "$SCRIPT_PATH" "$TARGET_DIR" tsl

    [ -d "docs/standards/playbook" ]
}

# ==============================================
# 错误处理测试
# ==============================================

@test "错误处理 - 目标目录不存在时报错" {
    cd "$TARGET_DIR"

    missing_dir="$TEST_DIR/missing-project"
    rm -rf "$missing_dir"

    run sh "$SCRIPT_PATH" "$missing_dir" tsl

    [ "$status" -ne 0 ]
}

@test "错误处理 - 无效语言参数时报错" {
    cd "$TARGET_DIR"

    run sh "$SCRIPT_PATH" "$TARGET_DIR" invalid_lang

    [ "$status" -ne 0 ]
}

@test "错误处理 - 目标目录不是 git 仓库时警告" {
    cd "$TARGET_DIR"
    rm -rf .git

    run sh "$SCRIPT_PATH" "$TARGET_DIR" tsl

    # 应该给出警告但不失败
    [ "$status" -eq 0 ]
}

# ==============================================
# 完整性测试
# ==============================================

@test "完整性 - 验证所有必要文件已复制" {
    cd "$TARGET_DIR"

    sh "$SCRIPT_PATH" "$TARGET_DIR" tsl

    # 验证关键文件
    [ -f "docs/standards/playbook/README.md" ]
    [ -f "docs/standards/playbook/docs/index.md" ]
    [ -f "docs/standards/playbook/.gitattributes" ]
    [ -f "docs/standards/playbook/scripts/sync_standards.sh" ]
    [ -f "docs/standards/playbook/SOURCE.md" ]
}

@test "完整性 - 验证脚本可执行性" {
    cd "$TARGET_DIR"

    sh "$SCRIPT_PATH" "$TARGET_DIR" tsl

    # 验证同步脚本可执行
    run sh docs/standards/playbook/scripts/sync_standards.sh tsl

    [ "$status" -eq 0 ]
}

# ==============================================
# 多次执行测试
# ==============================================

@test "幂等性 - 多次 vendor 结果一致" {
    cd "$TARGET_DIR"

    # 第一次 vendor
    sh "$SCRIPT_PATH" "$TARGET_DIR" tsl
    CHECKSUM1=$(find docs/standards/playbook -type f -name "*.md" ! -name "SOURCE.md" -exec md5sum {} \; | sort | md5sum)

    # 第二次 vendor
    sh "$SCRIPT_PATH" "$TARGET_DIR" tsl
    CHECKSUM2=$(find docs/standards/playbook -type f -name "*.md" ! -name "SOURCE.md" -exec md5sum {} \; | sort | md5sum)

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